Knowledge (XXG)

Multimodal distribution

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sampling mining galleries crossing either the host rock and the mineralized veins, the distribution of geochemical variables would be bimodal. Bimodal distributions are also seen in traffic analysis, where traffic peaks in during the AM rush hour and then again in the PM rush hour. This phenomenon is also seen in daily water distribution, as water demand, in the form of showers, cooking, and toilet use, generally peak in the morning and evening periods.
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Although several have been suggested, there is no presently generally agreed summary statistic (or set of statistics) to quantify the parameters of a general bimodal distribution. For a mixture of two normal distributions the means and standard deviations along with the mixing parameter (the weight
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Bimodal distributions have the peculiar property that – unlike the unimodal distributions – the mean may be a more robust sample estimator than the median. This is clearly the case when the distribution is U-shaped like the arcsine distribution. It may not be true when the distribution has one or
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animals that are active both in morning and evening twilight. In fishery science multimodal length distributions reflect the different year classes and can thus be used for age distribution- and growth estimates of the fish population. Sediments are usually distributed in a bimodal fashion. When
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A mixture of two unimodal distributions with differing means is not necessarily bimodal. The combined distribution of heights of men and women is sometimes used as an example of a bimodal distribution, but in fact the difference in mean heights of men and women is too small relative to their
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In the study of sediments, particle size is frequently bimodal. Empirically, it has been found useful to plot the frequency against the log( size ) of the particles. This usually gives a clear separation of the particles into a bimodal distribution. In geological applications the
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is available for testing for bimodality. This package assumes that the data are distributed as a sum of two normal distributions. If this assumption is not correct the results may not be reliable. It also includes functions for fitting a sum of two normal distributions to the data.
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Mixtures with two distinct components need not be bimodal and two component mixtures of unimodal component densities can have more than two modes. There is no immediate connection between the number of components in a mixture and the number of modes of the resulting density.
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Silverman introduced a bootstrap method for the number of modes. The test uses a fixed bandwidth which reduces the power of the test and its interpretability. Under smoothed densities may have an excessive number of modes whose count during bootstrapping is unstable.
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can be deceptive when used on an arbitrary distribution. For example, in the distribution in Figure 1, the mean and median would be about zero, even though zero is not a typical value. The standard deviation is also larger than deviation of each normal distribution.
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Bimodal distributions, despite their frequent occurrence in data sets, have only rarely been studied. This may be because of the difficulties in estimating their parameters either with frequentist or Bayesian methods. Among those that have been studied are
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Assuming that the distribution is a mixture of two normal distributions then the expectation-maximization algorithm may be used to determine the parameters. Several programmes are available for this including Cluster, and the R package nor1mix.
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The CumFreqA program for the fitting of composite probability distributions to a data set (X) can divide the set into two parts with a different distribution. The figure shows an example of a double generalized mirrored
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To use this index, the log of the values are taken. The data is then divided into interval of width Φ whose value is log 2. The width of the peaks are taken to be four times 1/4Φ centered on their maximum values.
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An alternative method is to plot the log of the particle size against the cumulative frequency. This graph will usually consist two reasonably straight lines with a connecting line corresponding to the antimode.
3349:. Values greater than 5/9 may indicate a bimodal or multimodal distribution, though corresponding values can also result for heavily skewed unimodal distributions. The maximum value (1.0) is reached only by a 2333: 3188:
lies between 0 and 1. The logic behind this coefficient is that a bimodal distribution with light tails will have very low kurtosis, an asymmetric character, or both – all of which increase this coefficient.
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Several tests of unimodality versus bimodality have been proposed: Haldane suggested one based on second central differences. Larkin later introduced a test based on the F test; Benett created one based on
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The authors recommended a cut off value of 1.5 with B being greater than 1.5 for a bimodal distribution and less than 1.5 for a unimodal distribution. No statistical justification for this value was given.
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It is not uncommon to encounter situations where an investigator believes that the data comes from a mixture of two normal distributions. Because of this, this mixture has been studied in some detail.
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Assuming that the distribution is known to be bimodal or has been shown to be bimodal by one or more of the tests above, it is frequently desirable to fit a curve to the data. This may be difficult.
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The mixtools package available for R can test for and estimate the parameters of a number of different distributions. A package for a mixture of two right-tailed gamma distributions is available.
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A mixture of two approximately equal mass normal distributions has a negative kurtosis since the two modes on either side of the center of mass effectively reduces the tails of the distribution.
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A study of a mixture density of two normal distributions data found that separation into the two normal distributions was difficult unless the means were separated by 4–6 standard deviations.
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With distributions other than these the data must be divided into 'layers'. Within a layer the responses are either equal or zero. The categories do not have to be contiguous. A value for
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of the combined distribution were derived by Eisenberger. Necessary and sufficient conditions for a mixture of normal distributions to be bimodal have been identified by Ray and Lindsay.
837: 122:, as shown in Figures 1 and 2. Categorical, continuous, and discrete data can all form multimodal distributions. Among univariate analyses, multimodal distributions are commonly bimodal. 3821: 1592: 5116:
Pearson in 1894 was the first to devise a procedure to test whether a distribution could be resolved into two normal distributions. This method required the solution of a ninth order
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A mixture of two normal distributions with highly unequal mass has a positive kurtosis since the smaller distribution lengthens the tail of the more dominant normal distribution.
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A method based on the score and Wald tests has been proposed. This method can distinguish between unimodal and bimodal distributions when the underlying distributions are known.
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is bimodal only if their means differ by at least twice the common standard deviation. Estimates of the parameters is simplified if the variances can be assumed to be equal (the
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distributed random variable is bimodal when the degrees of freedom are more than one. Similarly the reciprocal of a normally distributed variable is also bimodally distributed.
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The distribution of this statistic is unknown. It is related to a statistic proposed earlier by Pearson – the difference between the kurtosis and the square of the skewness (
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When the two modes are unequal the larger mode is known as the major mode and the other as the minor mode. The least frequent value between the modes is known as the
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the Kernel Mean Matching algorithm is used to decide if a data set belongs to a single normal distribution or to a mixture of two normal distributions.
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Young, Derek; Benaglia, Tatiana; Chauveau, Didier; Hunter, David; Elmore, Ryan; Hettmansperger, Thomas; Thomas, Hoben; Xuan, Fengjuan (10 March 2017).
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A mixture of two normal distributions has five parameters to estimate: the two means, the two variances and the mixing parameter. A mixture of two
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Scargle, JD (1982). "Studies in astronomical time series analysis. II – Statistical aspects of spectral analysis of unevenly spaced data".
4539:) have applied this quantity more broadly as an index for detecting bimodality, with a small value indicating a more bimodal distribution. 5688:
Proceedings of the 2013 International Conference on Information, Operations Management and Statistics (ICIOMS2013), Kuala Lumpur, Malaysia
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assumes that the distribution is a sum of two normal distributions with equal variances but differing means. It is defined as follows:
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are the proportion contained in the primary (that with the greater amplitude) and secondary (that with the lesser amplitude) mode and
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One theoretical problem with this index is that it assumes that the intervals are equally spaced. This may limit its applicability.
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distributions (i.e. distributions having only one mode). In other words, the bimodally distributed random variable X is defined as
300: 5741:"Mutational fitness effects in RNA and single-stranded DNA viruses: common patterns revealed by site-directed mutagenesis studies" 9017: 8983: 8849: 8844: 8689: 8497: 8195: 7949: 3566: 8767: 8680: 8652: 8561: 8510: 8484: 8382: 8165: 8130: 2963: 610: 8781: 8698: 8535: 8282: 8160: 8135: 7999: 7994: 7989: 6475:"The bimodality index: a criterion for discovering and ranking bimodal signatures from cancer gene expression profiling data" 6084:"A likelihood ratio test for bimodality in two-component mixtures with application to regional income distribution in the EU" 3120: 338: 8459: 7969: 7964: 2902: 7507:"Testing for bimodality in frequency distributions of data suggesting polymorphisms of drug metabolism--hypothesis testing" 5680: 2874:
the responses are evenly distributed among two or more contiguous categories, with the other categories with zero responses
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is normally taken to the base 2. The log transformed values are referred to as phi (Φ) units. This system is known as the
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Chaudhuri, D; Agrawal, A (2010). "Split-and-merge procedure for image segmentation using bimodality detection approach".
5120:. In a subsequent paper Pearson reported that for any distribution skewness + 1 < kurtosis. Later Pearson showed that 3378: 8993: 8933: 8923: 8540: 8241: 8100: 1600: 119: 53: 8342: 8085: 8014: 3651:
is the logarithm taken to the base 2 of the proportion of the distribution in the i interval. The maximal value of the
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Several other packages for R are available to fit mixture models; these include flexmix, mcclust, agrmt, and mixdist.
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Bajgier SM; Aggarwal LK (1991). "Powers of goodness-of-fit tests in detecting balanced mixed normal distributions".
5205:. Tokeshi has proposed a fourth test. A test based on a likelihood ratio has been proposed by Holzmann and Vollmer. 656: 9112: 8888: 8707: 8489: 8442: 8311: 8287: 8267: 8110: 7984: 7864: 7588: 1730:
If the means of the two normal distributions are equal, then the combined distribution is unimodal. Conditions for
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Ellison, AM (1987). "Effect of seed dimorphism on the density-dependent dynamics of experimental populations of
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A number of tests are available to determine if a data set is distributed in a bimodal (or multimodal) fashion.
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Famoye, Felix; Lee, Carl; Eugene, Nicholas. "Beta-normal distribution: Bimodality properties and application".
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This distribution is bimodal for certain values of is parameters. A test for these values has been described.
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workers arises due to existence of two distinct classes of workers, namely major workers and minor workers.
6808:"Contributions to the mathematical theory of evolution: On the dissection of asymmetrical frequency-curves" 6522:
Sturrock, P (2008). "Analysis of bimodality in histograms formed from GALLEX and GNO solar neutrino data".
5967:"On more robust estimation of skewness and kurtosis: Simulation and application to the S & P 500 index" 3851: 118:(i.e., more than one local peak of the distribution). These appear as distinct peaks (local maxima) in the 8968: 8956: 8945: 8827: 8723: 8530: 7974: 7954: 7859: 7083: 6459: 5187: 4028:. It suffers from the usual problems of estimation and spectral leakage common to this form of statistic. 3350: 230: 7702:
Gruen, Bettina; Leisch, Friedrich; Sarkar, Deepayan; Mortier, Frederic; Picard, Nicolas (28 April 2017).
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is commonly employed in computer graphics to determine the optimal separation between two distributions.
4765:{\displaystyle {\mathit {StdDev}}={\frac {\phi _{84}-\phi _{16}}{4}}+{\frac {\phi _{95}-\phi _{5}}{6.6}}} 1500: 9092: 9049: 8893: 8568: 8422: 8402: 8299: 7869: 7719:"mclust: Gaussian Mixture Modelling for Model-Based Clustering, Classification, and Density Estimation" 5126: 4046: 2232:{\displaystyle S={\frac {\sqrt {-2+3r+3r^{2}-2r^{3}+2(1-r+r^{2})^{1.5}}}{{\sqrt {r}}(1+{\sqrt {r}})}}.} 507: 346: 82: 7717:
Fraley, Chris; Raftery, Adrian E.; Scrucca, Luca; Murphy, Thomas Brendan; Fop, Michael (21 May 2017).
7674: 5244: 2710:{\displaystyle D={\frac {\left|\mu _{1}-\mu _{2}\right|}{\sqrt {2(\sigma _{1}^{2}+\sigma _{2}^{2})}}}} 1191: 977: 845: 9142: 9137: 9132: 9127: 9064: 9034: 8913: 8556: 8447: 8347: 8050: 8009: 8004: 7901: 7154: 6819: 6753: 6682: 6623: 6612:"Tree cover bimodality in savannas and forests emerging from the switching between two fire dynamics" 6584: 6541: 6350: 6261: 6178: 5844: 5549: 5545: 5424: 5398: 5191: 3354: 387: 307: 202: 45: 7403:
Ringach, Martin Maechler (originally from Fortran and S.-plus by Dario; NYU.edu) (5 December 2016).
7121:. Studies in Classification, Data Analysis, and Knowledge Organization. Springer. pp. 169–181. 7088: 9076: 8601: 8581: 8551: 8525: 8479: 8407: 8219: 8155: 5394: 1716: 322: 49: 5788:
Eyre-Walker, A; Keightley, PD (Aug 2007). "The distribution of fitness effects of new mutations".
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To test if a distribution is other than unimodal, several additional tests have been devised: the
3184:. The kurtosis is here defined to be the standardised fourth moment around the mean. The value of 464: 9107: 8596: 8377: 8372: 8277: 8214: 8209: 8065: 8055: 7939: 7487: 7452: 7341: 7273: 7238: 7170: 7015: 6557: 6531: 6368: 6316: 6277: 6229: 6194: 6168: 6141: 6103: 6061: 6043: 5918: 5813: 5661: 5574: 5557: 5516: 5376:
Number of joggers in a park by time of the day (X in hours) in a bimodal probability distribution
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Examples of variables with bimodal distributions include the time between eruptions of certain
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This index assumes that the distribution is a mixture of two normal distributions with means (
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In biology five factors are known to contribute to bimodal distributions of population sizes:
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Tokeshi, M (1992). "Dynamics and distribution in animal communities; theory and analysis".
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for finding a threshold for separation between two modes relies on minimizing the quantity
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Barreto, S; Borges, PAV; Guo, Q (2003). "A typing error in Tokeshi's test of bimodality".
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This measure is a weighted average of the degree of agreement the frequency distribution.
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Hassan, M. Y.; El-Bassiouni, M. Y. (2016). "Bimodal skew-symmetric normal distribution".
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Silverman, B. W. (1981). "Using kernel density estimates to investigate multimodality".
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The value of U is 1 if the distribution has any of the three following characteristics:
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Bimodal distributions are a commonly used example of how summary statistics such as the
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CumFreq, free program for fitting of probability distributions to a data set. On line:
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Mueller, DW; Sawitzki, G (1991). "Excess mass estimates and tests for multimodality".
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Ashman KM; Bird CM; Zepf SE (1994). "Detecting bimodality in astronomical datasets".
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Bajgier and Aggarwal have proposed a test based on the kurtosis of the distribution.
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Fieller E (1932). "The distribution of the index in a normal bivariate population".
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Another bimodality index has been proposed by de Michele and Accatino. Their index (
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are distributed as normal variables with a mean of 0 and a standard deviation of 1.
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Robertson, CA; Fryer, JG (1969). "Some descriptive properties of normal mixtures".
5550:"A remark on bimodality and weak instrumentation in structural equation estimation" 5496: 5381: 5366: 375: 7557:
Joint Statistical Meetings - Section on Physical & Engineering Sciences (SPES)
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Baker proposed a transformation to convert a bimodal to a unimodal distribution.
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Approximate values for several statistics can be derived from the graphic plots.
4494:{\displaystyle {\frac {n_{1}\sigma _{1}^{2}+n_{2}\sigma _{2}^{2}}{m\sigma ^{2}}}} 4260:< 0.1) distribution. No statistical justification was offered for this value. 7378:
Hartigan, J. A. (1988). "The Span Test of Multimodality". In Bock, H. H. (ed.).
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Philosophical Transactions of the Royal Society of London B: Biological Sciences
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When the components of the mixture have equal variances the mixture is unimodal
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Behboodian, J (1970). "On the modes of a mixture of two normal distributions".
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Proceedings of the National Academy of Sciences of the United States of America
1991:{\displaystyle d={\frac {\left\vert \mu _{1}-\mu _{2}\right\vert }{2\sigma }},} 1743:
Mixtures of other distributions require additional parameters to be estimated.
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being either neutral or lethal with relatively few having intermediate effect.
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Under this classification bimodal distributions are classified as type S or U.
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Zhang, C; Mapes, BE; Soden, BJ (2003). "Bimodality in tropical water vapour".
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Ray, S; Lindsay, BG (2005). "The topography of multivariate normal mixtures".
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Andrushkiw RI; Klyushin DD; Petunin YI (2008). "A new test for unimodality".
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Bimodal distributions occur both in mathematics and in the natural sciences.
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can also fit a variety of mixed distributions with the PROC FREQ procedure.
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Hassan, MY; Hijazi, RH (2010). "A bimodal exponential power distribution".
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distribution, that would become multimodal if conditioned on either x or y.
7540: 5725: 7420:"Assessing bimodality to detect the presence of a dual cognitive process" 6173: 3181: 3173: 3095:{\displaystyle S={\frac {\mu _{1}-\mu _{2}}{2(\sigma _{1}+\sigma _{2})}}} 2772: 1697: 1693: 398: 224:
The ratio of two normal distributions is also bimodally distributed. Let
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Haldane, JBS (1951). "Simple tests for bimodality and bitangentiality".
6742:"Brazos River bar: a study in the significance of grain size parameters" 6723: 6385:
SAS Institute Inc. (2012). SAS/STAT 12.1 user’s guide. Cary, NC: Author.
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Van der Eijk, C (2001). "Measuring agreement in ordered rating scales".
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is the sample variance. Some researchers (particularly in the field of
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Macdonald, Peter; Du, with contributions from Juan (29 October 2012).
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Wilcock, PR (1993). "The critical shear stress of natural sediments".
6273: 6671:"Measuring and defining bimodal sediments: Problems and implications" 6372: 6048: 5202: 5186:
is the square of the skewness. Equality holds only for the two point
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to produce bimodality when the two distribution curves are combined.
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A bimodal distribution commonly arises as a mixture of two different
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Galtung introduced a classification system (AJUS) for distributions:
7405:"diptest: Hartigan's Dip Test Statistic for Unimodality - Corrected" 7324:
Hartigan, JA; Mohanty, S (1992). "The RUNT test for multimodality".
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for the combination) are usually used – a total of five parameters.
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Pfister, R; Schwarz, KA; Janczyk, M.; Dale, R; Freeman, JB (2013).
6190: 5372: 134:. The difference between the major and minor modes is known as the 37: 6536: 5404:
X < 8.10 : CDF = 1 - exp X > 8.10 : CDF = 1 - exp
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the size and time dependence of the growth rate of each individual
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with the same variance but different means. The figure shows the
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Rozál, GPM Hartigan JA (1994). "The MAP test for multimodality".
6397:"Good things peak in pairs: A note on the bimodality coefficient" 7563:. American Statistical Society. pp. 951–956. Archived from 3642:
are the amplitudes of the left and right peaks respectively and
2755:> 2 is required for a clean separation of the distributions. 2586: 618: 354: 7797: 7646:"nor1mix: Normal (1-d) Mixture Models (S3 Classes and Methods)" 2430:
If the two normal distributions have equal standard deviations
7072:"One sample tests for the location of modes of nonnormal data" 6473:
Wang, J; Wen, S; Symmans, WF; Pusztai, L; Coombes, KR (2009).
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Additional tests are available for a number of special cases:
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This is the ratio of the left and right peaks. Mathematically
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is always < 1. Larger values indicate more distinct peaks.
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are the amplitudes of the left and right peaks respectively.
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the responses are evenly distributed among all the categories
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Dyer, KR (1970). "Grain-size parameters for sandy gravels".
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A different bimodality index has been proposed by Sturrock.
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Eisenberger, I (1964). "Genesis of bimodal distributions".
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Data Analysis and Regression: A Second Course in Statistics
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the number of categories that have nonzero frequencies and
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mortality rates that may affect each size class differently
5497:"Bimodal t-ratios: the impact of thick tails on inference" 3618:{\displaystyle B={\sqrt {\frac {A_{r}}{A_{l}}}}\sum P_{i}} 3353:
with only two distinct values or the sum of two different
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and other pterosaurs, with comments on cranial crests".
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Sambrook Smith, GH; Nicholas, AP; Ferguson, RI (1997).
5899:; Watkins, William (2002). "Is Human Height Bimodal?". 5401:
with cumulative distribution function (CDF) equations:
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An implementation of the dip test is available for the
3158:{\displaystyle \beta ={\frac {\gamma ^{2}+1}{\kappa }}} 30:"Bimodal" redirects here. For the musical concept, see 2952:{\displaystyle A_{\text{overall}}=\sum _{i}w_{i}A_{i}} 589:
the distribution of growth rates among the individuals
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This classification has since been modified slightly:
7661:"mixtools: Tools for Analyzing Finite Mixture Models" 6254:
Quarterly Journal of the Royal Meteorological Society
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Bosea, S.; Shmuelib, G.; Sura, P.; Dubey, P. (2013).
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Fiorio, CV; HajivassILiou, VA; Phillips, PCB (2010).
5129: 4981: 4781: 4669: 4585: 4416: 4283: 4108: 4049: 3854: 3778: 3689: 3569: 3490: 3381: 3201: 3123: 3022: 2905: 2784: 2619: 2459: 2436: 2343: 2249: 2097: 2033: 1933: 1787: 1761: 1603: 1554: 1503: 1194: 980: 848: 781: 659: 510: 467: 447: 427: 407: 378:
models, the parameters may be bimodally distributed.
233: 7076:
Journal of Applied Mathematics and Decision Sciences
5681:"Fitting Com-Poisson mixtures to bimodal count data" 2839:{\displaystyle A=U\left(1-{\frac {S-1}{K-1}}\right)} 2243:= 1. The mixture density is unimodal if and only if 9085: 9043: 8944: 8780: 8758: 8749: 8633: 8468: 8144: 8041: 8032: 7925: 7845: 7836: 7380:
Classification and Related Methods of Data Analysis
5831:Hietpas, RT; Jensen, JD; Bolon, DN (May 10, 2011). 5329:Bayesian methods may be useful in difficult cases. 3440:{\displaystyle A_{B}={\frac {A_{1}-A_{an}}{A_{1}}}} 2970:= 0: when all the responses fall into one category 7147:Journal of the Royal Statistical Society, Series B 5833:"Experimental illumination of a fitness landscape" 5161: 5066: 4964: 4764: 4652: 4493: 4349: 4204: 4084: 3998: 3815: 3740: 3617: 3523: 3439: 3303: 3157: 3094: 2951: 2838: 2709: 2569: 2445: 2420: 2327: 2231: 2079: 2012:are the means of the two normal distributions and 1990: 1915: 1773: 1664:{\displaystyle \nu _{r}=\int (x-\mu )^{r}f(x)\,dx} 1663: 1586: 1537: 1483: 1177: 963: 831: 737: 528: 488: 453: 433: 413: 268: 7293:"Nonparametric testing of the existence of modes" 6812:Philosophical Transactions of the Royal Society A 6343:Philosophical Transactions of the Royal Society A 6119: 6117: 5646:Communications in Statistics - Theory and Methods 4248:The authors suggested a cut off value of 0.1 for 621:is also frequently found to be bimodal with most 7140: 7138: 5890: 5888: 5886: 2383: 27:Probability distribution with more than one mode 7223:Journal of the American Statistical Association 6940:Behavior Research Methods & Instrumentation 6077: 6075: 321:statistic generated from data set drawn from a 299:has a known density that can be expressed as a 7382:. Amsterdam: North-Holland. pp. 229–236. 6332: 6330: 5714:Annals of the Entomological Society of America 5534:Introduction to tropical fish stock assessment 5216:Statistical tests for the antimode are known. 4391:-sizes of the primary and secondary mode. The 2610:A statistic that may be useful is Ashman's D: 738:{\displaystyle f(x)=pg_{1}(x)+(1-p)g_{2}(x)\,} 598:the DNA methylation in human and mouse genome. 138:. In time series the major mode is called the 44:A simple bimodal distribution, in this case a 7809: 7749:"mixdist: Finite Mixture Distribution Models" 158:A: unimodal distribution – peak in the middle 8: 6247: 6245: 6243: 832:{\displaystyle \mu =p\mu _{1}+(1-p)\mu _{2}} 586:the initial distribution of individual sizes 201:Important bimodal distributions include the 7505:Jackson, PR; Tucker, GT; Woods, HF (1989). 6793:10.1306/74D71FE6-2B21-11D7-8648000102C1865D 6766:10.1306/74d70646-2b21-11d7-8648000102c1865d 6735: 6733: 6082:Holzmann, Hajo; Vollmer, Sebastian (2008). 559:Bimodal skew-symmetric normal distribution. 8755: 8038: 7842: 7816: 7802: 7794: 6967:Bennett, SC (1992). "Sexual dimorphism of 6868:"Transformations of bimodal distributions" 3816:{\displaystyle BI=\delta {\sqrt {p(1-p)}}} 2751:For a mixture of two normal distributions 7530: 7472:Educational and Psychological Measurement 7438: 7308: 7205: 7097: 7087: 7054: 6951: 6883: 6831: 6694: 6645: 6635: 6535: 6498: 6422: 6412: 6362: 6172: 6047: 5866: 5856: 5764: 5707:worker and an anomaly (Hym.: Formicidae)" 5628: 5147: 5134: 5128: 5052: 5039: 5021: 5008: 5001: 4983: 4982: 4980: 4950: 4937: 4919: 4903: 4890: 4883: 4868: 4855: 4837: 4821: 4808: 4801: 4783: 4782: 4780: 4750: 4737: 4730: 4715: 4702: 4695: 4671: 4670: 4668: 4638: 4625: 4612: 4605: 4587: 4586: 4584: 4482: 4467: 4462: 4452: 4439: 4434: 4424: 4417: 4415: 4339: 4329: 4323: 4318: 4312: 4299: 4290: 4282: 4193: 4183: 4172: 4160: 4150: 4140: 4129: 4122: 4113: 4107: 4099:is the arithmetic mean of the sample and 4077: 4071: 4056: 4048: 3985: 3950: 3945: 3926: 3891: 3886: 3861: 3853: 3791: 3777: 3727: 3721: 3708: 3699: 3696: 3688: 3609: 3593: 3583: 3576: 3568: 3513: 3503: 3497: 3489: 3457:is the amplitude of the smaller peak and 3429: 3415: 3402: 3395: 3386: 3380: 3257: 3235: 3215: 3208: 3200: 3137: 3130: 3122: 3080: 3067: 3049: 3036: 3029: 3021: 2943: 2933: 2923: 2910: 2904: 2805: 2783: 2695: 2690: 2677: 2672: 2650: 2637: 2626: 2618: 2551: 2513: 2510: 2502: 2488: 2482: 2469: 2460: 2458: 2453:a sufficient condition for unimodality is 2435: 2406: 2393: 2372: 2366: 2353: 2344: 2342: 2337:A sufficient condition for unimodality is 2317: 2311: 2298: 2289: 2278: 2272: 2259: 2250: 2248: 2213: 2197: 2189: 2179: 2148: 2132: 2104: 2096: 2066: 2061: 2051: 2046: 2040: 2032: 1964: 1951: 1940: 1932: 1896: 1890: 1864: 1858: 1786: 1760: 1654: 1636: 1608: 1602: 1587:{\displaystyle \delta _{i}=\mu _{i}-\mu } 1572: 1559: 1553: 1528: 1502: 1472: 1467: 1454: 1449: 1439: 1434: 1418: 1413: 1403: 1393: 1377: 1372: 1362: 1328: 1323: 1310: 1305: 1295: 1290: 1274: 1269: 1259: 1249: 1233: 1228: 1218: 1199: 1193: 1166: 1161: 1148: 1143: 1133: 1117: 1112: 1102: 1068: 1063: 1050: 1045: 1035: 1019: 1014: 1004: 985: 979: 952: 947: 934: 929: 895: 890: 877: 872: 853: 847: 823: 795: 780: 734: 719: 682: 658: 509: 466: 446: 426: 406: 240: 232: 167:S: bimodal or multimodal – multiple peaks 7511:British Journal of Clinical Pharmacology 7117:. In Gaul W; Opitz O; Schader M (eds.). 3524:{\displaystyle R={\frac {A_{r}}{A_{l}}}} 2853:is the unimodality of the distribution, 570:Bimodality also naturally arises in the 353:in US adults, the absolute magnitude of 349:, the speed of inactivation of the drug 6460:10.1061/(asce)0733-9429(1993)119:4(491) 5435: 5322:Parameter estimation and fitting curves 3345:is 5/9. This is also its value for the 7611:: CS1 maint: archived copy as title ( 7604: 4272:) has been proposed by Sambrook Smith 3676:The bimodality index proposed by Wang 3318:is the number of items in the sample, 2868:all responses are in a single category 566:has been fitted to bimodal count data. 6847:Pearson, K (1929). "Editorial note". 6088:AStA Advances in Statistical Analysis 5445:Theory and methods of social research 5384:contains a tool for mixture modeling 5365:The statistical programming language 3999:{\displaystyle B={\frac {1}{N}}\left} 602:The bimodal distribution of sizes of 217:are less than 1). Others include the 7: 9166: 7704:"flexmix: Flexible Mixture Modeling" 5936:Mosteller, F.; Tukey, J. W. (1977). 4531:is the total size of the sample and 4510:is the number of data points in the 564:Conway-Maxwell-Poisson distributions 269:{\displaystyle R={\frac {a+x}{b+y}}} 78:A bivariate, multimodal distribution 7188:Hartigan, JA; Hartigan, PM (1985). 6610:De Michele, C; Accatino, F (2014). 5617:Proyecciones Journal of Mathematics 5299:Mixture of two normal distributions 3192:The formula for a finite sample is 1708:Mixture of two normal distributions 1538:{\displaystyle \mu =\int xf(x)\,dx} 7644:Mächler, Martin (25 August 2016). 7523:10.1111/j.1365-2125.1989.tb03558.x 7167:10.1111/j.2517-6161.1981.tb01155.x 6973:Journal of Vertebrate Paleontology 6913:10.1111/j.1469-1809.1951.tb02488.x 4252:to distinguish between a bimodal ( 3769:is the common standard deviation. 3464:is the amplitude of the antimode. 757:is a probability distribution and 504:are unimodal random variables and 25: 7070:Carolan, AM; Rayner, JCW (2001). 6872:Annals of Mathematical Statistics 5940:. Reading, Mass: Addison-Wesley. 5162:{\displaystyle b_{2}-b_{1}\geq 1} 5112:Unimodal vs. bimodal distribution 4085:{\displaystyle B=|\mu -\mu _{M}|} 2023:= 1/2 was described by Schilling 553:Bimodal exponential distribution. 529:{\displaystyle 0<\alpha <1} 301:confluent hypergeometric function 9165: 9156: 9155: 7047:10.1046/j.1466-822x.2003.00018.x 7000:Researches on Population Ecology 6448:Journal of Hydraulic Engineering 5613:"Alpha-skew-normal distribution" 5513:10.1111/j.1368-423X.2010.00315.x 5108:percentage of the distribution. 4224:is number of data points in the 2861:the total number of categories. 2239:If the variances are equal then 2019:The following test for the case 1484:{\displaystyle \nu _{4}=p+(1-p)} 1178:{\displaystyle \nu _{3}=p+(1-p)} 964:{\displaystyle \nu _{2}=p+(1-p)} 161:J: unimodal – peak at either end 7732:Ruedin, Didier (2 April 2016). 7035:Global Ecology and Biogeography 6781:Journal of Sedimentary Research 6746:Journal of Sedimentary Research 5630:10.4067/s0716-09172010000300006 5421:- Gaussian Mixture Models (GMM) 4032:de Michele and Accatino's index 3110:Sarle's bimodality coefficient 611:distribution of fitness effects 556:Alpha-skew-normal distribution. 164:U: bimodal – peaks at both ends 7361:Theory of Stochastic Processes 7235:10.1080/01621459.1991.10475103 6985:10.1080/02724634.1992.10011472 6021:10.1080/00401706.1964.10490199 5994:10.1080/03461238.1969.10404590 5982:Skandinavisk Aktuarietidskrift 5594:Pakistan Journal of Statistics 5447:. Oslo: Universitetsforlaget. 5058: 5032: 4956: 4930: 4874: 4848: 4319: 4291: 4078: 4057: 4021:is exponentially distributed. 3977: 3962: 3918: 3903: 3808: 3796: 3728: 3700: 3292: 3280: 3277: 3265: 3254: 3241: 3086: 3060: 2701: 2665: 2552: 2548: 2536: 2514: 2489: 2461: 2412: 2386: 2373: 2345: 2318: 2290: 2279: 2251: 2220: 2204: 2186: 2160: 1878: 1849: 1829: 1823: 1811: 1799: 1651: 1645: 1633: 1620: 1525: 1519: 1478: 1355: 1352: 1340: 1334: 1211: 1172: 1095: 1092: 1080: 1074: 997: 958: 922: 919: 907: 901: 865: 816: 804: 731: 725: 712: 700: 694: 688: 669: 663: 480: 468: 149: 1: 7190:"The dip test of unimodality" 2748:are the standard deviations. 572:cusp catastrophe distribution 175:J: (modified) – peak on right 6637:10.1371/journal.pone.0091195 5658:10.1080/03610926.2014.882950 5388:Example software application 5190:or the sum of two different 5100:is the value of the variate 4024:This statistic is a form of 2016:is their standard deviation. 1927:is the mixing parameter and 613:of mutations for both whole 489:{\displaystyle (1-\alpha ),} 120:probability density function 54:probability density function 6740:Folk, RL; Ward, WC (1957). 5739:Sanjuán, R (Jun 27, 2010). 5703:"Dimorphism in the African 5085:is the standard deviation, 3357:(a bi-delta distribution). 2999:) and standard deviations ( 359:circadian activity patterns 9208: 8989:Wrapped asymmetric Laplace 7960:Extended negative binomial 6301:American Journal of Botany 6058:10.1214/009053605000000417 4017:is uniformly distributed, 3659:may be greater than this. 536:is a mixture coefficient. 385: 345:, the age of incidence of 178:L: unimodal – peak on left 29: 9151: 8648:Generalized extreme value 8428:Relativistic Breit–Wigner 7825:Probability distributions 7763:"Gaussian mixture models" 7440:10.3758/s13428-012-0225-x 7427:Behavior Research Methods 7326:Journal of Classification 7258:Journal of Classification 7099:10.1155/s1173912601000013 6577:The Astrophysical Journal 6554:10.1007/s11207-008-9170-3 6100:10.1007/s10182-008-0057-2 5902:The American Statistician 5571:10.1017/S0266466606060439 5482:10.1093/biomet/24.3-4.428 3830:is the mixing parameter. 761:is the mixing parameter. 197:Probability distributions 9192:Continuous distributions 7484:10.1177/0013164491512001 7113:Hartigan, J. A. (2000). 6675:Water Resources Research 6414:10.3389/fpsyg.2013.00700 6161:The Astronomical Journal 5611:Elal-Olivero, D (2010). 5501:The Econometrics Journal 5338:Two normal distributions 5314:Beta-normal distribution 4537:digital image processing 3347:exponential distribution 2767:ranges from -1 (perfect 2446:{\displaystyle \sigma ,} 544:Particular distributions 306:The distribution of the 219:U-quadratic distribution 150:Galtung's classification 112:probability distribution 8643:Generalized chi-squared 8587:Normal-inverse Gaussian 7751:– via R-Packages. 7721:– via R-Packages. 7706:– via R-Packages. 7663:– via R-Packages. 7648:– via R-Packages. 7407:– via R-Packages. 7115:"Testing for Antimodes" 6885:10.1214/aoms/1177733063 6712:Defence Science Journal 6401:Frontiers in Psychology 6226:10.1023/a:1010374114305 5858:10.1073/pnas.1016024108 5790:Nature Reviews Genetics 5380:In Python, the package 4523:is the variance of the 4256:> 0.1)and unimodal ( 4245:is the number of bins. 2087:The separation factor ( 1774:{\displaystyle d\leq 1} 434:{\displaystyle \alpha } 67:A bimodal distribution. 8955:Univariate (circular) 8516:Generalized hyperbolic 7945:Conway–Maxwell–Poisson 7935:Beta negative binomial 7631:engineering.purdue.edu 7418:Freeman; Dale (2012). 7310:10.1214/aos/1031594735 7207:10.1214/aos/1176346577 6833:10.1098/rsta.1894.0003 6364:10.1098/rsta.1916.0009 6214:Quality & Quantity 5757:10.1098/rstb.2010.0063 5377: 5268:R programming language 5188:Bernoulli distribution 5163: 5068: 4966: 4766: 4654: 4495: 4351: 4264:Sambrook Smith's index 4206: 4188: 4145: 4086: 4000: 3955: 3896: 3817: 3742: 3655:is 1 but the value of 3619: 3525: 3441: 3351:Bernoulli distribution 3305: 3159: 3106:Bimodality coefficient 3096: 2953: 2840: 2711: 2571: 2447: 2422: 2329: 2233: 2081: 1992: 1917: 1775: 1665: 1588: 1539: 1485: 1179: 965: 833: 739: 530: 490: 455: 435: 415: 270: 96: 79: 68: 57: 9000:Bivariate (spherical) 8498:Kaniadakis κ-Gaussian 7736:. cran.r-project.org. 7291:Minnotte, MC (1997). 6297:Atriplex triangularis 5375: 5283:Bajgier-Aggarwal test 5192:Dirac delta functions 5164: 5069: 4967: 4767: 4655: 4496: 4352: 4237:is the center of the 4207: 4168: 4125: 4087: 4001: 3941: 3882: 3818: 3743: 3620: 3560:) is due to Wilcock. 3526: 3442: 3355:Dirac delta functions 3306: 3160: 3097: 2954: 2841: 2712: 2572: 2448: 2423: 2330: 2234: 2082: 1993: 1918: 1776: 1747:Tests for unimodality 1666: 1589: 1540: 1486: 1180: 966: 834: 740: 531: 491: 456: 436: 416: 341:, the size of worker 329:Occurrences in nature 271: 209:(iff both parameters 142:and the antimode the 85: 74: 63: 40: 9065:Dirac delta function 9012:Bivariate (toroidal) 8969:Univariate von Mises 8840:Multivariate Laplace 8732:Shifted log-logistic 8081:Continuous Bernoulli 7297:Annals of Statistics 7194:Annals of Statistics 6349:(538–548): 429–457. 6036:Annals of Statistics 5895:Schilling, Mark F.; 5443:Galtung, J. (1969). 5425:Mixture distribution 5399:distribution fitting 5273: 5247:, the MAP test, the 5179:is the kurtosis and 5127: 5093:is the kurtosis and 4979: 4779: 4667: 4583: 4414: 4281: 4106: 4047: 3852: 3776: 3687: 3567: 3552:Bimodality parameter 3488: 3379: 3368:Bimodality amplitude 3343:uniform distribution 3199: 3121: 3020: 2964:uniform distribution 2903: 2782: 2775:). It is defined as 2617: 2457: 2434: 2341: 2247: 2095: 2031: 1931: 1785: 1759: 1717:normal distributions 1601: 1552: 1501: 1192: 978: 846: 779: 657: 508: 465: 445: 425: 405: 388:Mixture distribution 231: 203:arcsine distribution 50:normal distributions 18:Bimodal distribution 9113:Natural exponential 9018:Bivariate von Mises 8984:Wrapped exponential 8850:Multivariate stable 8845:Multivariate normal 8166:Benktander 2nd kind 8161:Benktander 1st kind 7950:Discrete phase-type 7627:"Cluster home page" 7159:1981JRSSB..43...97S 6934:Larkin, RP (1979). 6824:1894RSPTA.185...71P 6806:Pearson, K (1894). 6758:1957JSedR..27....3F 6724:10.14429/dsj.60.356 6687:1997WRR....33.1179S 6628:2014PLoSO...991195D 6589:1982ApJ...263..835S 6546:2008SoPh..249....1S 6355:1916RSPTA.216..429P 6337:Pearson, K (1916). 6299:(Chenopodiaceae)". 6266:2003QJRMS.129.2847Z 6183:1994AJ....108.2348A 5915:10.1198/00031300265 5849:2011PNAS..108.7896H 5726:10.1093/aesa/39.1.7 5395:Gumbel distribution 5355:Other distributions 5249:mode existence test 4472: 4444: 3372:This is defined as 2700: 2682: 2071: 2056: 1721:standard deviations 1477: 1459: 1444: 1423: 1382: 1333: 1315: 1300: 1279: 1238: 1171: 1153: 1122: 1073: 1055: 1024: 957: 939: 900: 882: 646:Moments of mixtures 636:standard deviations 323:Cauchy distribution 114:with more than one 8768:Rectified Gaussian 8653:Generalized Pareto 8511:Generalized normal 8383:Matrix-exponential 7682:cran.r-project.org 7338:10.1007/bf02618468 7270:10.1007/BF01201021 7012:10.1007/bf02514796 6953:10.3758/BF03205709 6901:Annals of Eugenics 6866:Baker, GA (1930). 6479:Cancer Informatics 6260:(594): 2847–2866. 5701:Weber, NA (1946). 5558:Econometric Theory 5546:Phillips, P. C. B. 5378: 5159: 5064: 4962: 4762: 4650: 4491: 4458: 4430: 4347: 4202: 4082: 3996: 3813: 3765:are the means and 3738: 3667:Bimodality indices 3615: 3521: 3437: 3301: 3155: 3092: 2981:Bimodal separation 2949: 2928: 2836: 2734:are the means and 2707: 2686: 2668: 2595:standard deviation 2581:Summary statistics 2567: 2443: 2418: 2325: 2229: 2077: 2057: 2042: 1988: 1913: 1771: 1661: 1584: 1535: 1481: 1463: 1445: 1430: 1409: 1368: 1319: 1301: 1286: 1265: 1224: 1175: 1157: 1139: 1108: 1059: 1041: 1010: 961: 943: 925: 886: 868: 829: 735: 629:General properties 526: 486: 451: 431: 411: 347:Hodgkin's lymphoma 266: 97: 80: 69: 58: 9179: 9178: 8776: 8775: 8745: 8744: 8636:whose type varies 8582:Normal (Gaussian) 8536:Hyperbolic secant 8485:Exponential power 8388:Maxwell–Boltzmann 8136:Wigner semicircle 8028: 8027: 8000:Parabolic fractal 7990:Negative binomial 6696:10.1029/97wr00365 6491:10.4137/CIN.S2846 6274:10.1256/qj.02.166 5751:(1548): 1975–82. 5089:is the skewness, 5062: 4960: 4878: 4760: 4725: 4648: 4551:Graphical methods 4543:Statistical tests 4489: 4345: 4268:A further index ( 4200: 3869: 3811: 3736: 3600: 3599: 3519: 3435: 3299: 3296: 3153: 3090: 2919: 2913: 2829: 2771:) to +1 (perfect 2758: 2705: 2704: 2605: 2562: 2560: 2224: 2218: 2202: 2195: 2072: 1983: 1908: 1876: 642:more long tails. 461:with probability 454:{\displaystyle Z} 421:with probability 414:{\displaystyle Y} 339:color of galaxies 287:are constant and 264: 207:beta distribution 181:F: no peak (flat) 89:A non-example: a 16:(Redirected from 9199: 9169: 9168: 9159: 9158: 9098:Compound Poisson 9073: 9061: 9030:von Mises–Fisher 9026: 9014: 9002: 8964:Circular uniform 8960: 8880: 8824: 8795: 8756: 8658:Marchenko–Pastur 8521:Geometric stable 8438:Truncated normal 8331:Inverse Gaussian 8237:Hyperexponential 8076:Beta rectangular 8044:bounded interval 8039: 7907:Discrete uniform 7892:Poisson binomial 7843: 7818: 7811: 7804: 7795: 7789: 7784: 7778: 7777: 7775: 7773: 7767:scikit-learn.org 7759: 7753: 7752: 7744: 7738: 7737: 7729: 7723: 7722: 7714: 7708: 7707: 7699: 7693: 7692: 7690: 7688: 7679: 7671: 7665: 7664: 7656: 7650: 7649: 7641: 7635: 7634: 7623: 7617: 7616: 7610: 7602: 7600: 7599: 7593: 7587:. Archived from 7586: 7578: 7572: 7571: 7569: 7562: 7551: 7545: 7544: 7534: 7502: 7496: 7495: 7467: 7461: 7460: 7442: 7424: 7415: 7409: 7408: 7400: 7394: 7393: 7375: 7369: 7368: 7356: 7350: 7349: 7321: 7315: 7314: 7312: 7303:(4): 1646–1660. 7288: 7282: 7281: 7253: 7247: 7246: 7229:(415): 738–746. 7218: 7212: 7211: 7209: 7185: 7179: 7178: 7142: 7133: 7132: 7110: 7104: 7103: 7101: 7091: 7067: 7061: 7060: 7058: 7030: 7024: 7023: 6995: 6989: 6988: 6964: 6958: 6957: 6955: 6931: 6925: 6924: 6896: 6890: 6889: 6887: 6863: 6857: 6856: 6844: 6838: 6837: 6835: 6803: 6797: 6796: 6776: 6770: 6769: 6737: 6728: 6727: 6707: 6701: 6700: 6698: 6681:(5): 1179–1185. 6666: 6660: 6659: 6649: 6639: 6607: 6601: 6600: 6572: 6566: 6565: 6539: 6519: 6513: 6512: 6502: 6470: 6464: 6463: 6443: 6437: 6436: 6426: 6416: 6392: 6386: 6383: 6377: 6376: 6366: 6334: 6325: 6324: 6307:(8): 1280–1288. 6292: 6286: 6285: 6249: 6238: 6237: 6209: 6203: 6202: 6176: 6174:astro-ph/9408030 6156: 6150: 6149: 6121: 6112: 6111: 6079: 6070: 6069: 6051: 6042:(5): 2042–2065. 6031: 6025: 6024: 6004: 5998: 5997: 5988:(3–4): 137–146. 5977: 5971: 5970: 5958: 5952: 5951: 5933: 5927: 5926: 5892: 5881: 5880: 5870: 5860: 5843:(19): 7896–901. 5828: 5822: 5821: 5785: 5779: 5778: 5768: 5736: 5730: 5729: 5711: 5698: 5692: 5691: 5685: 5676: 5670: 5669: 5652:(5): 1527–1541. 5641: 5635: 5634: 5632: 5608: 5602: 5601: 5589: 5583: 5582: 5554: 5542: 5536: 5531: 5525: 5524: 5492: 5486: 5485: 5476:(3–4): 428–440. 5465: 5459: 5458: 5440: 5274:Silverman's test 5245:excess mass test 5168: 5166: 5165: 5160: 5152: 5151: 5139: 5138: 5073: 5071: 5070: 5065: 5063: 5061: 5057: 5056: 5044: 5043: 5027: 5026: 5025: 5013: 5012: 5002: 4997: 4996: 4971: 4969: 4968: 4963: 4961: 4959: 4955: 4954: 4942: 4941: 4925: 4924: 4923: 4908: 4907: 4895: 4894: 4884: 4879: 4877: 4873: 4872: 4860: 4859: 4843: 4842: 4841: 4826: 4825: 4813: 4812: 4802: 4797: 4796: 4771: 4769: 4768: 4763: 4761: 4756: 4755: 4754: 4742: 4741: 4731: 4726: 4721: 4720: 4719: 4707: 4706: 4696: 4691: 4690: 4659: 4657: 4656: 4651: 4649: 4644: 4643: 4642: 4630: 4629: 4617: 4616: 4606: 4601: 4600: 4564:(or phi) scale. 4500: 4498: 4497: 4492: 4490: 4488: 4487: 4486: 4473: 4471: 4466: 4457: 4456: 4443: 4438: 4429: 4428: 4418: 4356: 4354: 4353: 4348: 4346: 4344: 4343: 4334: 4333: 4324: 4322: 4317: 4316: 4304: 4303: 4294: 4211: 4209: 4208: 4203: 4201: 4199: 4198: 4197: 4187: 4182: 4166: 4165: 4164: 4155: 4154: 4144: 4139: 4123: 4118: 4117: 4091: 4089: 4088: 4083: 4081: 4076: 4075: 4060: 4005: 4003: 4002: 3997: 3995: 3991: 3990: 3989: 3984: 3980: 3954: 3949: 3931: 3930: 3925: 3921: 3895: 3890: 3870: 3862: 3845:) is defined as 3834:Sturrock's index 3822: 3820: 3819: 3814: 3812: 3792: 3747: 3745: 3744: 3739: 3737: 3732: 3731: 3726: 3725: 3713: 3712: 3703: 3697: 3624: 3622: 3621: 3616: 3614: 3613: 3601: 3598: 3597: 3588: 3587: 3578: 3577: 3556:This parameter ( 3530: 3528: 3527: 3522: 3520: 3518: 3517: 3508: 3507: 3498: 3446: 3444: 3443: 3438: 3436: 3434: 3433: 3424: 3423: 3422: 3407: 3406: 3396: 3391: 3390: 3310: 3308: 3307: 3302: 3300: 3298: 3297: 3295: 3263: 3262: 3261: 3236: 3227: 3220: 3219: 3209: 3164: 3162: 3161: 3156: 3154: 3149: 3142: 3141: 3131: 3101: 3099: 3098: 3093: 3091: 3089: 3085: 3084: 3072: 3071: 3055: 3054: 3053: 3041: 3040: 3030: 2958: 2956: 2955: 2950: 2948: 2947: 2938: 2937: 2927: 2915: 2914: 2911: 2882:for each layer ( 2845: 2843: 2842: 2837: 2835: 2831: 2830: 2828: 2817: 2806: 2759:van der Eijk's A 2716: 2714: 2713: 2708: 2706: 2699: 2694: 2681: 2676: 2661: 2660: 2656: 2655: 2654: 2642: 2641: 2627: 2576: 2574: 2573: 2568: 2563: 2561: 2556: 2555: 2517: 2511: 2503: 2492: 2487: 2486: 2474: 2473: 2464: 2452: 2450: 2449: 2444: 2427: 2425: 2424: 2419: 2411: 2410: 2398: 2397: 2376: 2371: 2370: 2358: 2357: 2348: 2334: 2332: 2331: 2326: 2321: 2316: 2315: 2303: 2302: 2293: 2282: 2277: 2276: 2264: 2263: 2254: 2238: 2236: 2235: 2230: 2225: 2223: 2219: 2214: 2203: 2198: 2194: 2193: 2184: 2183: 2153: 2152: 2137: 2136: 2106: 2105: 2086: 2084: 2083: 2078: 2073: 2070: 2065: 2055: 2050: 2041: 1997: 1995: 1994: 1989: 1984: 1982: 1974: 1970: 1969: 1968: 1956: 1955: 1941: 1922: 1920: 1919: 1914: 1909: 1901: 1900: 1891: 1877: 1869: 1868: 1859: 1836: 1832: 1780: 1778: 1777: 1772: 1670: 1668: 1667: 1662: 1641: 1640: 1613: 1612: 1593: 1591: 1590: 1585: 1577: 1576: 1564: 1563: 1544: 1542: 1541: 1536: 1490: 1488: 1487: 1482: 1476: 1471: 1458: 1453: 1443: 1438: 1422: 1417: 1408: 1407: 1398: 1397: 1381: 1376: 1367: 1366: 1332: 1327: 1314: 1309: 1299: 1294: 1278: 1273: 1264: 1263: 1254: 1253: 1237: 1232: 1223: 1222: 1204: 1203: 1184: 1182: 1181: 1176: 1170: 1165: 1152: 1147: 1138: 1137: 1121: 1116: 1107: 1106: 1072: 1067: 1054: 1049: 1040: 1039: 1023: 1018: 1009: 1008: 990: 989: 970: 968: 967: 962: 956: 951: 938: 933: 899: 894: 881: 876: 858: 857: 838: 836: 835: 830: 828: 827: 800: 799: 744: 742: 741: 736: 724: 723: 687: 686: 535: 533: 532: 527: 495: 493: 492: 487: 460: 458: 457: 452: 440: 438: 437: 432: 420: 418: 417: 412: 275: 273: 272: 267: 265: 263: 252: 241: 21: 9207: 9206: 9202: 9201: 9200: 9198: 9197: 9196: 9182: 9181: 9180: 9175: 9147: 9123:Maximum entropy 9081: 9069: 9057: 9047: 9039: 9022: 9010: 8998: 8953: 8940: 8877:Matrix-valued: 8874: 8820: 8791: 8783: 8772: 8760: 8751: 8741: 8635: 8629: 8546: 8472: 8470: 8464: 8393:Maxwell–Jüttner 8242:Hypoexponential 8148: 8146: 8145:supported on a 8140: 8101:Noncentral beta 8061:Balding–Nichols 8043: 8042:supported on a 8034: 8024: 7927: 7921: 7917:Zipf–Mandelbrot 7847: 7838: 7832: 7822: 7792: 7785: 7781: 7771: 7769: 7761: 7760: 7756: 7746: 7745: 7741: 7731: 7730: 7726: 7716: 7715: 7711: 7701: 7700: 7696: 7686: 7684: 7677: 7673: 7672: 7668: 7658: 7657: 7653: 7643: 7642: 7638: 7625: 7624: 7620: 7603: 7597: 7595: 7591: 7584: 7582:"Archived copy" 7580: 7579: 7575: 7567: 7560: 7553: 7552: 7548: 7504: 7503: 7499: 7469: 7468: 7464: 7422: 7417: 7416: 7412: 7402: 7401: 7397: 7390: 7377: 7376: 7372: 7358: 7357: 7353: 7323: 7322: 7318: 7290: 7289: 7285: 7255: 7254: 7250: 7220: 7219: 7215: 7187: 7186: 7182: 7144: 7143: 7136: 7129: 7112: 7111: 7107: 7089:10.1.1.504.4999 7069: 7068: 7064: 7032: 7031: 7027: 6997: 6996: 6992: 6966: 6965: 6961: 6933: 6932: 6928: 6898: 6897: 6893: 6865: 6864: 6860: 6846: 6845: 6841: 6805: 6804: 6800: 6778: 6777: 6773: 6739: 6738: 6731: 6709: 6708: 6704: 6668: 6667: 6663: 6609: 6608: 6604: 6574: 6573: 6569: 6521: 6520: 6516: 6472: 6471: 6467: 6445: 6444: 6440: 6394: 6393: 6389: 6384: 6380: 6336: 6335: 6328: 6313:10.2307/2444163 6294: 6293: 6289: 6251: 6250: 6241: 6211: 6210: 6206: 6158: 6157: 6153: 6138:10.2307/1267357 6123: 6122: 6115: 6081: 6080: 6073: 6033: 6032: 6028: 6006: 6005: 6001: 5979: 5978: 5974: 5960: 5959: 5955: 5948: 5935: 5934: 5930: 5897:Watkins, Ann E. 5894: 5893: 5884: 5830: 5829: 5825: 5802:10.1038/nrg2146 5787: 5786: 5782: 5738: 5737: 5733: 5709: 5700: 5699: 5695: 5690:. pp. 1–8. 5683: 5678: 5677: 5673: 5643: 5642: 5638: 5610: 5609: 5605: 5591: 5590: 5586: 5552: 5544: 5543: 5539: 5532: 5528: 5494: 5493: 5489: 5467: 5466: 5462: 5455: 5442: 5441: 5437: 5433: 5410: 5405: 5390: 5335: 5324: 5293: 5285: 5276: 5233: 5214: 5203:Fisher's G test 5185: 5178: 5143: 5130: 5125: 5124: 5114: 5099: 5048: 5035: 5028: 5017: 5004: 5003: 4977: 4976: 4946: 4933: 4926: 4915: 4899: 4886: 4885: 4864: 4851: 4844: 4833: 4817: 4804: 4803: 4777: 4776: 4746: 4733: 4732: 4711: 4698: 4697: 4665: 4664: 4634: 4621: 4608: 4607: 4581: 4580: 4553: 4545: 4527:subpopulation, 4522: 4514:subpopulation, 4509: 4478: 4474: 4448: 4420: 4419: 4412: 4411: 4386: 4379: 4372: 4365: 4335: 4325: 4308: 4295: 4279: 4278: 4236: 4223: 4189: 4167: 4156: 4146: 4124: 4109: 4104: 4103: 4067: 4045: 4044: 3940: 3936: 3935: 3881: 3877: 3876: 3875: 3871: 3850: 3849: 3774: 3773: 3764: 3757: 3717: 3704: 3698: 3685: 3684: 3669: 3650: 3641: 3634: 3605: 3589: 3579: 3565: 3564: 3554: 3547: 3540: 3509: 3499: 3486: 3485: 3479: 3472: 3463: 3456: 3425: 3411: 3398: 3397: 3382: 3377: 3376: 3370: 3332:excess kurtosis 3324:sample skewness 3264: 3253: 3237: 3228: 3211: 3210: 3197: 3196: 3133: 3132: 3119: 3118: 3108: 3076: 3063: 3056: 3045: 3032: 3031: 3018: 3017: 3012: 3005: 2998: 2991: 2983: 2939: 2929: 2906: 2901: 2900: 2895: 2888: 2818: 2807: 2798: 2794: 2780: 2779: 2761: 2747: 2740: 2733: 2726: 2646: 2633: 2632: 2628: 2615: 2614: 2608: 2583: 2512: 2478: 2465: 2455: 2454: 2432: 2431: 2402: 2389: 2362: 2349: 2339: 2338: 2307: 2294: 2268: 2255: 2245: 2244: 2196: 2185: 2175: 2144: 2128: 2093: 2092: 2029: 2028: 2011: 2004: 1975: 1960: 1947: 1946: 1942: 1929: 1928: 1892: 1860: 1792: 1788: 1783: 1782: 1757: 1756: 1749: 1710: 1691: 1682: 1632: 1604: 1599: 1598: 1568: 1555: 1550: 1549: 1499: 1498: 1399: 1389: 1358: 1255: 1245: 1214: 1195: 1190: 1189: 1129: 1098: 1031: 1000: 981: 976: 975: 849: 844: 843: 819: 791: 777: 776: 764:The moments of 756: 715: 678: 655: 654: 648: 631: 617:and individual 580: 546: 506: 505: 463: 462: 443: 442: 423: 422: 403: 402: 395: 390: 384: 372: 331: 253: 242: 229: 228: 199: 191: 152: 128: 35: 28: 23: 22: 15: 12: 11: 5: 9205: 9203: 9195: 9194: 9184: 9183: 9177: 9176: 9174: 9173: 9163: 9152: 9149: 9148: 9146: 9145: 9140: 9135: 9130: 9125: 9120: 9118:Location–scale 9115: 9110: 9105: 9100: 9095: 9089: 9087: 9083: 9082: 9080: 9079: 9074: 9067: 9062: 9054: 9052: 9041: 9040: 9038: 9037: 9032: 9027: 9020: 9015: 9008: 9003: 8996: 8991: 8986: 8981: 8979:Wrapped Cauchy 8976: 8974:Wrapped normal 8971: 8966: 8961: 8950: 8948: 8942: 8941: 8939: 8938: 8937: 8936: 8931: 8929:Normal-inverse 8926: 8921: 8911: 8910: 8909: 8899: 8891: 8886: 8881: 8872: 8871: 8870: 8860: 8852: 8847: 8842: 8837: 8836: 8835: 8825: 8818: 8817: 8816: 8811: 8801: 8796: 8788: 8786: 8778: 8777: 8774: 8773: 8771: 8770: 8764: 8762: 8753: 8747: 8746: 8743: 8742: 8740: 8739: 8734: 8729: 8721: 8713: 8705: 8696: 8687: 8678: 8669: 8660: 8655: 8650: 8645: 8639: 8637: 8631: 8630: 8628: 8627: 8622: 8620:Variance-gamma 8617: 8612: 8604: 8599: 8594: 8589: 8584: 8579: 8571: 8566: 8565: 8564: 8554: 8549: 8544: 8538: 8533: 8528: 8523: 8518: 8513: 8508: 8500: 8495: 8487: 8482: 8476: 8474: 8466: 8465: 8463: 8462: 8460:Wilks's lambda 8457: 8456: 8455: 8445: 8440: 8435: 8430: 8425: 8420: 8415: 8410: 8405: 8400: 8398:Mittag-Leffler 8395: 8390: 8385: 8380: 8375: 8370: 8365: 8360: 8355: 8350: 8345: 8340: 8339: 8338: 8328: 8319: 8314: 8309: 8308: 8307: 8297: 8295:gamma/Gompertz 8292: 8291: 8290: 8285: 8275: 8270: 8265: 8264: 8263: 8251: 8250: 8249: 8244: 8239: 8229: 8228: 8227: 8217: 8212: 8207: 8206: 8205: 8204: 8203: 8193: 8183: 8178: 8173: 8168: 8163: 8158: 8152: 8150: 8147:semi-infinite 8142: 8141: 8139: 8138: 8133: 8128: 8123: 8118: 8113: 8108: 8103: 8098: 8093: 8088: 8083: 8078: 8073: 8068: 8063: 8058: 8053: 8047: 8045: 8036: 8030: 8029: 8026: 8025: 8023: 8022: 8017: 8012: 8007: 8002: 7997: 7992: 7987: 7982: 7977: 7972: 7967: 7962: 7957: 7952: 7947: 7942: 7937: 7931: 7929: 7926:with infinite 7923: 7922: 7920: 7919: 7914: 7909: 7904: 7899: 7894: 7889: 7888: 7887: 7880:Hypergeometric 7877: 7872: 7867: 7862: 7857: 7851: 7849: 7840: 7834: 7833: 7823: 7821: 7820: 7813: 7806: 7798: 7791: 7790: 7779: 7754: 7739: 7724: 7709: 7694: 7666: 7651: 7636: 7618: 7573: 7570:on 2016-03-04. 7546: 7517:(6): 655–662. 7497: 7478:(2): 253–269. 7462: 7410: 7395: 7388: 7370: 7351: 7316: 7283: 7248: 7213: 7180: 7134: 7127: 7105: 7062: 7041:(2): 173–174. 7025: 7006:(2): 249–273. 6990: 6979:(4): 422–434. 6959: 6946:(4): 467–468. 6926: 6907:(1): 359–364. 6891: 6878:(4): 334–344. 6858: 6839: 6798: 6787:(2): 616–620. 6771: 6729: 6718:(3): 290–301. 6702: 6661: 6602: 6597:10.1086/160554 6583:(1): 835–853. 6567: 6514: 6465: 6454:(4): 491–505. 6438: 6387: 6378: 6326: 6287: 6239: 6220:(3): 325–341. 6204: 6191:10.1086/117248 6151: 6132:(1): 131–139. 6113: 6071: 6026: 6015:(4): 357–363. 5999: 5972: 5953: 5946: 5928: 5909:(3): 223–229. 5882: 5823: 5780: 5731: 5693: 5671: 5636: 5623:(3): 224–240. 5603: 5584: 5565:(5): 947–960. 5537: 5526: 5507:(2): 271–289. 5487: 5460: 5453: 5434: 5432: 5429: 5428: 5427: 5422: 5416: 5414:Overdispersion 5409: 5406: 5403: 5389: 5386: 5357: 5356: 5342:A package for 5340: 5339: 5334: 5331: 5323: 5320: 5316: 5315: 5301: 5300: 5292: 5289: 5284: 5281: 5275: 5272: 5237:bandwidth test 5232: 5229: 5222: 5221: 5213: 5212:Antimode tests 5210: 5183: 5176: 5170: 5169: 5158: 5155: 5150: 5146: 5142: 5137: 5133: 5113: 5110: 5097: 5075: 5074: 5060: 5055: 5051: 5047: 5042: 5038: 5034: 5031: 5024: 5020: 5016: 5011: 5007: 5000: 4995: 4992: 4989: 4986: 4973: 4972: 4958: 4953: 4949: 4945: 4940: 4936: 4932: 4929: 4922: 4918: 4914: 4911: 4906: 4902: 4898: 4893: 4889: 4882: 4876: 4871: 4867: 4863: 4858: 4854: 4850: 4847: 4840: 4836: 4832: 4829: 4824: 4820: 4816: 4811: 4807: 4800: 4795: 4792: 4789: 4786: 4773: 4772: 4759: 4753: 4749: 4745: 4740: 4736: 4729: 4724: 4718: 4714: 4710: 4705: 4701: 4694: 4689: 4686: 4683: 4680: 4677: 4674: 4661: 4660: 4647: 4641: 4637: 4633: 4628: 4624: 4620: 4615: 4611: 4604: 4599: 4596: 4593: 4590: 4574: 4573: 4552: 4549: 4544: 4541: 4518: 4505: 4485: 4481: 4477: 4470: 4465: 4461: 4455: 4451: 4447: 4442: 4437: 4433: 4427: 4423: 4405: 4404: 4384: 4377: 4370: 4363: 4342: 4338: 4332: 4328: 4321: 4315: 4311: 4307: 4302: 4298: 4293: 4289: 4286: 4266: 4265: 4232: 4219: 4213: 4212: 4196: 4192: 4186: 4181: 4178: 4175: 4171: 4163: 4159: 4153: 4149: 4143: 4138: 4135: 4132: 4128: 4121: 4116: 4112: 4093: 4092: 4080: 4074: 4070: 4066: 4063: 4059: 4055: 4052: 4034: 4033: 4007: 4006: 3994: 3988: 3983: 3979: 3976: 3973: 3970: 3967: 3964: 3961: 3958: 3953: 3948: 3944: 3939: 3934: 3929: 3924: 3920: 3917: 3914: 3911: 3908: 3905: 3902: 3899: 3894: 3889: 3885: 3880: 3874: 3868: 3865: 3860: 3857: 3836: 3835: 3824: 3823: 3810: 3807: 3804: 3801: 3798: 3795: 3790: 3787: 3784: 3781: 3762: 3755: 3749: 3748: 3735: 3730: 3724: 3720: 3716: 3711: 3707: 3702: 3695: 3692: 3674: 3673: 3668: 3665: 3646: 3639: 3632: 3626: 3625: 3612: 3608: 3604: 3596: 3592: 3586: 3582: 3575: 3572: 3553: 3550: 3545: 3538: 3532: 3531: 3516: 3512: 3506: 3502: 3496: 3493: 3478: 3475: 3470: 3461: 3454: 3448: 3447: 3432: 3428: 3421: 3418: 3414: 3410: 3405: 3401: 3394: 3389: 3385: 3369: 3366: 3330:is the sample 3312: 3311: 3294: 3291: 3288: 3285: 3282: 3279: 3276: 3273: 3270: 3267: 3260: 3256: 3252: 3249: 3246: 3243: 3240: 3234: 3231: 3226: 3223: 3218: 3214: 3207: 3204: 3166: 3165: 3152: 3148: 3145: 3140: 3136: 3129: 3126: 3107: 3104: 3103: 3102: 3088: 3083: 3079: 3075: 3070: 3066: 3062: 3059: 3052: 3048: 3044: 3039: 3035: 3028: 3025: 3010: 3003: 2996: 2989: 2982: 2979: 2960: 2959: 2946: 2942: 2936: 2932: 2926: 2922: 2918: 2909: 2893: 2886: 2876: 2875: 2872: 2869: 2847: 2846: 2834: 2827: 2824: 2821: 2816: 2813: 2810: 2804: 2801: 2797: 2793: 2790: 2787: 2760: 2757: 2745: 2738: 2731: 2724: 2718: 2717: 2703: 2698: 2693: 2689: 2685: 2680: 2675: 2671: 2667: 2664: 2659: 2653: 2649: 2645: 2640: 2636: 2631: 2625: 2622: 2607: 2604: 2582: 2579: 2578: 2577: 2566: 2559: 2554: 2550: 2547: 2544: 2541: 2538: 2535: 2532: 2529: 2526: 2523: 2520: 2516: 2509: 2506: 2501: 2498: 2495: 2491: 2485: 2481: 2477: 2472: 2468: 2463: 2442: 2439: 2428: 2417: 2414: 2409: 2405: 2401: 2396: 2392: 2388: 2385: 2382: 2379: 2375: 2369: 2365: 2361: 2356: 2352: 2347: 2335: 2324: 2320: 2314: 2310: 2306: 2301: 2297: 2292: 2288: 2285: 2281: 2275: 2271: 2267: 2262: 2258: 2253: 2228: 2222: 2217: 2212: 2209: 2206: 2201: 2192: 2188: 2182: 2178: 2174: 2171: 2168: 2165: 2162: 2159: 2156: 2151: 2147: 2143: 2140: 2135: 2131: 2127: 2124: 2121: 2118: 2115: 2112: 2109: 2103: 2100: 2076: 2069: 2064: 2060: 2054: 2049: 2045: 2039: 2036: 2017: 2009: 2002: 1987: 1981: 1978: 1973: 1967: 1963: 1959: 1954: 1950: 1945: 1939: 1936: 1912: 1907: 1904: 1899: 1895: 1889: 1886: 1883: 1880: 1875: 1872: 1867: 1863: 1857: 1854: 1851: 1848: 1845: 1842: 1839: 1835: 1831: 1828: 1825: 1822: 1819: 1816: 1813: 1810: 1807: 1804: 1801: 1798: 1795: 1791: 1770: 1767: 1764: 1754:if and only if 1748: 1745: 1709: 1706: 1704:distribution. 1687: 1678: 1672: 1671: 1660: 1657: 1653: 1650: 1647: 1644: 1639: 1635: 1631: 1628: 1625: 1622: 1619: 1616: 1611: 1607: 1595: 1594: 1583: 1580: 1575: 1571: 1567: 1562: 1558: 1546: 1545: 1534: 1531: 1527: 1524: 1521: 1518: 1515: 1512: 1509: 1506: 1492: 1491: 1480: 1475: 1470: 1466: 1462: 1457: 1452: 1448: 1442: 1437: 1433: 1429: 1426: 1421: 1416: 1412: 1406: 1402: 1396: 1392: 1388: 1385: 1380: 1375: 1371: 1365: 1361: 1357: 1354: 1351: 1348: 1345: 1342: 1339: 1336: 1331: 1326: 1322: 1318: 1313: 1308: 1304: 1298: 1293: 1289: 1285: 1282: 1277: 1272: 1268: 1262: 1258: 1252: 1248: 1244: 1241: 1236: 1231: 1227: 1221: 1217: 1213: 1210: 1207: 1202: 1198: 1186: 1185: 1174: 1169: 1164: 1160: 1156: 1151: 1146: 1142: 1136: 1132: 1128: 1125: 1120: 1115: 1111: 1105: 1101: 1097: 1094: 1091: 1088: 1085: 1082: 1079: 1076: 1071: 1066: 1062: 1058: 1053: 1048: 1044: 1038: 1034: 1030: 1027: 1022: 1017: 1013: 1007: 1003: 999: 996: 993: 988: 984: 972: 971: 960: 955: 950: 946: 942: 937: 932: 928: 924: 921: 918: 915: 912: 909: 906: 903: 898: 893: 889: 885: 880: 875: 871: 867: 864: 861: 856: 852: 840: 839: 826: 822: 818: 815: 812: 809: 806: 803: 798: 794: 790: 787: 784: 752: 746: 745: 733: 730: 727: 722: 718: 714: 711: 708: 705: 702: 699: 696: 693: 690: 685: 681: 677: 674: 671: 668: 665: 662: 647: 644: 630: 627: 600: 599: 596: 593: 590: 587: 579: 576: 568: 567: 560: 557: 554: 545: 542: 525: 522: 519: 516: 513: 485: 482: 479: 476: 473: 470: 450: 430: 410: 394: 391: 386:Main article: 383: 380: 371: 368: 330: 327: 277: 276: 262: 259: 256: 251: 248: 245: 239: 236: 198: 195: 190: 187: 183: 182: 179: 176: 169: 168: 165: 162: 159: 151: 148: 127: 124: 26: 24: 14: 13: 10: 9: 6: 4: 3: 2: 9204: 9193: 9190: 9189: 9187: 9172: 9164: 9162: 9154: 9153: 9150: 9144: 9141: 9139: 9136: 9134: 9131: 9129: 9126: 9124: 9121: 9119: 9116: 9114: 9111: 9109: 9106: 9104: 9101: 9099: 9096: 9094: 9091: 9090: 9088: 9084: 9078: 9075: 9072: 9068: 9066: 9063: 9060: 9056: 9055: 9053: 9051: 9046: 9042: 9036: 9033: 9031: 9028: 9025: 9021: 9019: 9016: 9013: 9009: 9007: 9004: 9001: 8997: 8995: 8992: 8990: 8987: 8985: 8982: 8980: 8977: 8975: 8972: 8970: 8967: 8965: 8962: 8959: 8958: 8952: 8951: 8949: 8947: 8943: 8935: 8932: 8930: 8927: 8925: 8922: 8920: 8917: 8916: 8915: 8912: 8908: 8905: 8904: 8903: 8900: 8898: 8897: 8892: 8890: 8889:Matrix normal 8887: 8885: 8882: 8879: 8878: 8873: 8869: 8866: 8865: 8864: 8861: 8859: 8858: 8855:Multivariate 8853: 8851: 8848: 8846: 8843: 8841: 8838: 8834: 8831: 8830: 8829: 8826: 8823: 8819: 8815: 8812: 8810: 8807: 8806: 8805: 8802: 8800: 8797: 8794: 8790: 8789: 8787: 8785: 8782:Multivariate 8779: 8769: 8766: 8765: 8763: 8757: 8754: 8748: 8738: 8735: 8733: 8730: 8728: 8726: 8722: 8720: 8718: 8714: 8712: 8710: 8706: 8704: 8702: 8697: 8695: 8693: 8688: 8686: 8684: 8679: 8677: 8675: 8670: 8668: 8666: 8661: 8659: 8656: 8654: 8651: 8649: 8646: 8644: 8641: 8640: 8638: 8634:with support 8632: 8626: 8623: 8621: 8618: 8616: 8613: 8611: 8610: 8605: 8603: 8600: 8598: 8595: 8593: 8590: 8588: 8585: 8583: 8580: 8578: 8577: 8572: 8570: 8567: 8563: 8560: 8559: 8558: 8555: 8553: 8550: 8548: 8547: 8539: 8537: 8534: 8532: 8529: 8527: 8524: 8522: 8519: 8517: 8514: 8512: 8509: 8507: 8506: 8501: 8499: 8496: 8494: 8493: 8488: 8486: 8483: 8481: 8478: 8477: 8475: 8471:on the whole 8467: 8461: 8458: 8454: 8451: 8450: 8449: 8446: 8444: 8443:type-2 Gumbel 8441: 8439: 8436: 8434: 8431: 8429: 8426: 8424: 8421: 8419: 8416: 8414: 8411: 8409: 8406: 8404: 8401: 8399: 8396: 8394: 8391: 8389: 8386: 8384: 8381: 8379: 8376: 8374: 8371: 8369: 8366: 8364: 8361: 8359: 8356: 8354: 8351: 8349: 8346: 8344: 8341: 8337: 8334: 8333: 8332: 8329: 8327: 8325: 8320: 8318: 8315: 8313: 8312:Half-logistic 8310: 8306: 8303: 8302: 8301: 8298: 8296: 8293: 8289: 8286: 8284: 8281: 8280: 8279: 8276: 8274: 8271: 8269: 8268:Folded normal 8266: 8262: 8259: 8258: 8257: 8256: 8252: 8248: 8245: 8243: 8240: 8238: 8235: 8234: 8233: 8230: 8226: 8223: 8222: 8221: 8218: 8216: 8213: 8211: 8208: 8202: 8199: 8198: 8197: 8194: 8192: 8189: 8188: 8187: 8184: 8182: 8179: 8177: 8174: 8172: 8169: 8167: 8164: 8162: 8159: 8157: 8154: 8153: 8151: 8143: 8137: 8134: 8132: 8129: 8127: 8124: 8122: 8119: 8117: 8114: 8112: 8111:Raised cosine 8109: 8107: 8104: 8102: 8099: 8097: 8094: 8092: 8089: 8087: 8084: 8082: 8079: 8077: 8074: 8072: 8069: 8067: 8064: 8062: 8059: 8057: 8054: 8052: 8049: 8048: 8046: 8040: 8037: 8031: 8021: 8018: 8016: 8013: 8011: 8008: 8006: 8003: 8001: 7998: 7996: 7993: 7991: 7988: 7986: 7985:Mixed Poisson 7983: 7981: 7978: 7976: 7973: 7971: 7968: 7966: 7963: 7961: 7958: 7956: 7953: 7951: 7948: 7946: 7943: 7941: 7938: 7936: 7933: 7932: 7930: 7924: 7918: 7915: 7913: 7910: 7908: 7905: 7903: 7900: 7898: 7895: 7893: 7890: 7886: 7883: 7882: 7881: 7878: 7876: 7873: 7871: 7868: 7866: 7865:Beta-binomial 7863: 7861: 7858: 7856: 7853: 7852: 7850: 7844: 7841: 7835: 7830: 7826: 7819: 7814: 7812: 7807: 7805: 7800: 7799: 7796: 7788: 7783: 7780: 7768: 7764: 7758: 7755: 7750: 7743: 7740: 7735: 7728: 7725: 7720: 7713: 7710: 7705: 7698: 7695: 7683: 7676: 7675:"discrimARTs" 7670: 7667: 7662: 7655: 7652: 7647: 7640: 7637: 7632: 7628: 7622: 7619: 7614: 7608: 7594:on 2013-11-03 7590: 7583: 7577: 7574: 7566: 7559: 7558: 7550: 7547: 7542: 7538: 7533: 7528: 7524: 7520: 7516: 7512: 7508: 7501: 7498: 7493: 7489: 7485: 7481: 7477: 7473: 7466: 7463: 7458: 7454: 7450: 7446: 7441: 7436: 7432: 7428: 7421: 7414: 7411: 7406: 7399: 7396: 7391: 7389:0-444-70404-3 7385: 7381: 7374: 7371: 7366: 7362: 7355: 7352: 7347: 7343: 7339: 7335: 7331: 7327: 7320: 7317: 7311: 7306: 7302: 7298: 7294: 7287: 7284: 7279: 7275: 7271: 7267: 7263: 7259: 7252: 7249: 7244: 7240: 7236: 7232: 7228: 7224: 7217: 7214: 7208: 7203: 7199: 7195: 7191: 7184: 7181: 7176: 7172: 7168: 7164: 7160: 7156: 7152: 7148: 7141: 7139: 7135: 7130: 7128:3-540-67731-3 7124: 7120: 7119:Data Analysis 7116: 7109: 7106: 7100: 7095: 7090: 7085: 7081: 7077: 7073: 7066: 7063: 7057: 7052: 7048: 7044: 7040: 7036: 7029: 7026: 7021: 7017: 7013: 7009: 7005: 7001: 6994: 6991: 6986: 6982: 6978: 6974: 6970: 6963: 6960: 6954: 6949: 6945: 6941: 6937: 6930: 6927: 6922: 6918: 6914: 6910: 6906: 6902: 6895: 6892: 6886: 6881: 6877: 6873: 6869: 6862: 6859: 6854: 6850: 6843: 6840: 6834: 6829: 6825: 6821: 6817: 6813: 6809: 6802: 6799: 6794: 6790: 6786: 6782: 6775: 6772: 6767: 6763: 6759: 6755: 6751: 6747: 6743: 6736: 6734: 6730: 6725: 6721: 6717: 6713: 6706: 6703: 6697: 6692: 6688: 6684: 6680: 6676: 6672: 6665: 6662: 6657: 6653: 6648: 6643: 6638: 6633: 6629: 6625: 6622:(3): e91195. 6621: 6617: 6613: 6606: 6603: 6598: 6594: 6590: 6586: 6582: 6578: 6571: 6568: 6563: 6559: 6555: 6551: 6547: 6543: 6538: 6533: 6529: 6525: 6524:Solar Physics 6518: 6515: 6510: 6506: 6501: 6496: 6492: 6488: 6484: 6480: 6476: 6469: 6466: 6461: 6457: 6453: 6449: 6442: 6439: 6434: 6430: 6425: 6420: 6415: 6410: 6406: 6402: 6398: 6391: 6388: 6382: 6379: 6374: 6370: 6365: 6360: 6356: 6352: 6348: 6344: 6340: 6333: 6331: 6327: 6322: 6318: 6314: 6310: 6306: 6302: 6298: 6291: 6288: 6283: 6279: 6275: 6271: 6267: 6263: 6259: 6255: 6248: 6246: 6244: 6240: 6235: 6231: 6227: 6223: 6219: 6215: 6208: 6205: 6200: 6196: 6192: 6188: 6184: 6180: 6175: 6170: 6167:: 2348–2361. 6166: 6162: 6155: 6152: 6147: 6143: 6139: 6135: 6131: 6127: 6126:Technometrics 6120: 6118: 6114: 6109: 6105: 6101: 6097: 6093: 6089: 6085: 6078: 6076: 6072: 6067: 6063: 6059: 6055: 6050: 6045: 6041: 6037: 6030: 6027: 6022: 6018: 6014: 6010: 6009:Technometrics 6003: 6000: 5995: 5991: 5987: 5983: 5976: 5973: 5968: 5964: 5957: 5954: 5949: 5947:0-201-04854-X 5943: 5939: 5932: 5929: 5924: 5920: 5916: 5912: 5908: 5904: 5903: 5898: 5891: 5889: 5887: 5883: 5878: 5874: 5869: 5864: 5859: 5854: 5850: 5846: 5842: 5838: 5834: 5827: 5824: 5819: 5815: 5811: 5807: 5803: 5799: 5795: 5791: 5784: 5781: 5776: 5772: 5767: 5762: 5758: 5754: 5750: 5746: 5742: 5735: 5732: 5727: 5723: 5719: 5715: 5708: 5706: 5697: 5694: 5689: 5682: 5675: 5672: 5667: 5663: 5659: 5655: 5651: 5647: 5640: 5637: 5631: 5626: 5622: 5618: 5614: 5607: 5604: 5600:(2): 379–396. 5599: 5595: 5588: 5585: 5580: 5576: 5572: 5568: 5564: 5560: 5559: 5551: 5547: 5541: 5538: 5535: 5530: 5527: 5522: 5518: 5514: 5510: 5506: 5502: 5498: 5491: 5488: 5483: 5479: 5475: 5471: 5464: 5461: 5456: 5454:0-04-300017-7 5450: 5446: 5439: 5436: 5430: 5426: 5423: 5420: 5419:Mixture model 5417: 5415: 5412: 5411: 5407: 5402: 5400: 5396: 5387: 5385: 5383: 5374: 5370: 5368: 5363: 5360: 5354: 5353: 5352: 5348: 5345: 5337: 5336: 5332: 5330: 5327: 5321: 5319: 5313: 5312: 5311: 5309: 5304: 5298: 5297: 5296: 5291:Special cases 5290: 5288: 5282: 5280: 5271: 5269: 5264: 5262: 5258: 5254: 5250: 5246: 5242: 5238: 5231:General tests 5230: 5228: 5226: 5225:Otsu's method 5220:Otsu's method 5219: 5218: 5217: 5211: 5209: 5206: 5204: 5198: 5195: 5193: 5189: 5182: 5175: 5156: 5153: 5148: 5144: 5140: 5135: 5131: 5123: 5122: 5121: 5119: 5111: 5109: 5107: 5103: 5096: 5092: 5088: 5084: 5081:is the mean, 5080: 5053: 5049: 5045: 5040: 5036: 5029: 5022: 5018: 5014: 5009: 5005: 4998: 4975: 4974: 4951: 4947: 4943: 4938: 4934: 4927: 4920: 4916: 4912: 4909: 4904: 4900: 4896: 4891: 4887: 4880: 4869: 4865: 4861: 4856: 4852: 4845: 4838: 4834: 4830: 4827: 4822: 4818: 4814: 4809: 4805: 4798: 4775: 4774: 4757: 4751: 4747: 4743: 4738: 4734: 4727: 4722: 4716: 4712: 4708: 4703: 4699: 4692: 4663: 4662: 4645: 4639: 4635: 4631: 4626: 4622: 4618: 4613: 4609: 4602: 4579: 4578: 4577: 4571: 4570: 4569: 4565: 4563: 4559: 4550: 4548: 4542: 4540: 4538: 4534: 4530: 4526: 4521: 4517: 4513: 4508: 4504: 4483: 4479: 4475: 4468: 4463: 4459: 4453: 4449: 4445: 4440: 4435: 4431: 4425: 4421: 4409: 4408:Otsu's method 4403:Otsu's method 4402: 4401: 4400: 4396: 4394: 4390: 4383: 4376: 4369: 4362: 4357: 4340: 4336: 4330: 4326: 4313: 4309: 4305: 4300: 4296: 4287: 4284: 4276: 4275: 4271: 4263: 4262: 4261: 4259: 4255: 4251: 4246: 4244: 4240: 4235: 4231: 4227: 4222: 4218: 4194: 4190: 4184: 4179: 4176: 4173: 4169: 4161: 4157: 4151: 4147: 4141: 4136: 4133: 4130: 4126: 4119: 4114: 4110: 4102: 4101: 4100: 4098: 4072: 4068: 4064: 4061: 4053: 4050: 4043: 4042: 4041: 4039: 4031: 4030: 4029: 4027: 4022: 4020: 4016: 4012: 3992: 3986: 3981: 3974: 3971: 3968: 3965: 3959: 3956: 3951: 3946: 3942: 3937: 3932: 3927: 3922: 3915: 3912: 3909: 3906: 3900: 3897: 3892: 3887: 3883: 3878: 3872: 3866: 3863: 3858: 3855: 3848: 3847: 3846: 3844: 3839: 3833: 3832: 3831: 3829: 3805: 3802: 3799: 3793: 3788: 3785: 3782: 3779: 3772: 3771: 3770: 3768: 3761: 3754: 3733: 3722: 3718: 3714: 3709: 3705: 3693: 3690: 3683: 3682: 3681: 3679: 3671: 3670: 3666: 3664: 3660: 3658: 3654: 3649: 3645: 3638: 3631: 3610: 3606: 3602: 3594: 3590: 3584: 3580: 3573: 3570: 3563: 3562: 3561: 3559: 3551: 3549: 3544: 3537: 3514: 3510: 3504: 3500: 3494: 3491: 3484: 3483: 3482: 3477:Bimodal ratio 3476: 3474: 3469: 3465: 3460: 3453: 3430: 3426: 3419: 3416: 3412: 3408: 3403: 3399: 3392: 3387: 3383: 3375: 3374: 3373: 3367: 3365: 3363: 3358: 3356: 3352: 3348: 3344: 3340: 3337:The value of 3335: 3333: 3329: 3325: 3321: 3317: 3289: 3286: 3283: 3274: 3271: 3268: 3258: 3250: 3247: 3244: 3238: 3232: 3229: 3224: 3221: 3216: 3212: 3205: 3202: 3195: 3194: 3193: 3190: 3187: 3183: 3179: 3175: 3171: 3150: 3146: 3143: 3138: 3134: 3127: 3124: 3117: 3116: 3115: 3113: 3105: 3081: 3077: 3073: 3068: 3064: 3057: 3050: 3046: 3042: 3037: 3033: 3026: 3023: 3016: 3015: 3014: 3009: 3002: 2995: 2988: 2980: 2978: 2975: 2973: 2969: 2965: 2944: 2940: 2934: 2930: 2924: 2920: 2916: 2907: 2899: 2898: 2897: 2892: 2885: 2881: 2873: 2870: 2867: 2866: 2865: 2862: 2860: 2856: 2852: 2832: 2825: 2822: 2819: 2814: 2811: 2808: 2802: 2799: 2795: 2791: 2788: 2785: 2778: 2777: 2776: 2774: 2770: 2766: 2756: 2754: 2749: 2744: 2737: 2730: 2723: 2696: 2691: 2687: 2683: 2678: 2673: 2669: 2662: 2657: 2651: 2647: 2643: 2638: 2634: 2629: 2623: 2620: 2613: 2612: 2611: 2603: 2599: 2596: 2592: 2588: 2580: 2564: 2557: 2545: 2542: 2539: 2533: 2530: 2527: 2524: 2521: 2518: 2507: 2504: 2499: 2496: 2493: 2483: 2479: 2475: 2470: 2466: 2440: 2437: 2429: 2415: 2407: 2403: 2399: 2394: 2390: 2380: 2377: 2367: 2363: 2359: 2354: 2350: 2336: 2322: 2312: 2308: 2304: 2299: 2295: 2286: 2283: 2273: 2269: 2265: 2260: 2256: 2242: 2226: 2215: 2210: 2207: 2199: 2190: 2180: 2176: 2172: 2169: 2166: 2163: 2157: 2154: 2149: 2145: 2141: 2138: 2133: 2129: 2125: 2122: 2119: 2116: 2113: 2110: 2107: 2101: 2098: 2090: 2074: 2067: 2062: 2058: 2052: 2047: 2043: 2037: 2034: 2026: 2022: 2018: 2015: 2008: 2001: 1985: 1979: 1976: 1971: 1965: 1961: 1957: 1952: 1948: 1943: 1937: 1934: 1926: 1910: 1905: 1902: 1897: 1893: 1887: 1884: 1881: 1873: 1870: 1865: 1861: 1855: 1852: 1846: 1843: 1840: 1837: 1833: 1826: 1820: 1817: 1814: 1808: 1805: 1802: 1796: 1793: 1789: 1768: 1765: 1762: 1755: 1751: 1750: 1746: 1744: 1741: 1738: 1735: 1733: 1728: 1726: 1725:homoscedastic 1722: 1718: 1713: 1707: 1705: 1703: 1699: 1695: 1690: 1686: 1681: 1677: 1658: 1655: 1648: 1642: 1637: 1629: 1626: 1623: 1617: 1614: 1609: 1605: 1597: 1596: 1581: 1578: 1573: 1569: 1565: 1560: 1556: 1548: 1547: 1532: 1529: 1522: 1516: 1513: 1510: 1507: 1504: 1497: 1496: 1495: 1473: 1468: 1464: 1460: 1455: 1450: 1446: 1440: 1435: 1431: 1427: 1424: 1419: 1414: 1410: 1404: 1400: 1394: 1390: 1386: 1383: 1378: 1373: 1369: 1363: 1359: 1349: 1346: 1343: 1337: 1329: 1324: 1320: 1316: 1311: 1306: 1302: 1296: 1291: 1287: 1283: 1280: 1275: 1270: 1266: 1260: 1256: 1250: 1246: 1242: 1239: 1234: 1229: 1225: 1219: 1215: 1208: 1205: 1200: 1196: 1188: 1187: 1167: 1162: 1158: 1154: 1149: 1144: 1140: 1134: 1130: 1126: 1123: 1118: 1113: 1109: 1103: 1099: 1089: 1086: 1083: 1077: 1069: 1064: 1060: 1056: 1051: 1046: 1042: 1036: 1032: 1028: 1025: 1020: 1015: 1011: 1005: 1001: 994: 991: 986: 982: 974: 973: 953: 948: 944: 940: 935: 930: 926: 916: 913: 910: 904: 896: 891: 887: 883: 878: 873: 869: 862: 859: 854: 850: 842: 841: 824: 820: 813: 810: 807: 801: 796: 792: 788: 785: 782: 775: 774: 773: 771: 767: 762: 760: 755: 751: 728: 720: 716: 709: 706: 703: 697: 691: 683: 679: 675: 672: 666: 660: 653: 652: 651: 645: 643: 639: 637: 628: 626: 624: 620: 616: 612: 607: 605: 597: 594: 591: 588: 585: 584: 583: 577: 575: 573: 565: 562:A mixture of 561: 558: 555: 552: 551: 550: 543: 541: 537: 523: 520: 517: 514: 511: 503: 499: 483: 477: 474: 471: 448: 428: 408: 400: 392: 389: 381: 379: 377: 369: 367: 364: 360: 356: 352: 348: 344: 340: 336: 328: 326: 324: 320: 315: 313: 309: 304: 302: 298: 294: 290: 286: 282: 260: 257: 254: 249: 246: 243: 237: 234: 227: 226: 225: 222: 220: 216: 212: 208: 204: 196: 194: 188: 186: 180: 177: 174: 173: 172: 166: 163: 160: 157: 156: 155: 147: 145: 141: 137: 133: 125: 123: 121: 117: 113: 109: 106: 102: 94: 93: 88: 84: 77: 73: 66: 62: 55: 51: 47: 43: 39: 33: 19: 9070: 9058: 9024:Multivariate 9023: 9011: 8999: 8994:Wrapped Lévy 8954: 8902:Matrix gamma 8895: 8875: 8863:Normal-gamma 8856: 8822:Continuous: 8821: 8792: 8737:Tukey lambda 8724: 8716: 8711:-exponential 8708: 8700: 8691: 8682: 8673: 8667:-exponential 8664: 8608: 8575: 8542: 8504: 8491: 8418:Poly-Weibull 8363:Log-logistic 8323: 8322:Hotelling's 8254: 8096:Logit-normal 7970:Gauss–Kuzmin 7965:Flory–Schulz 7846:with finite 7782: 7770:. Retrieved 7766: 7757: 7742: 7727: 7712: 7697: 7685:. Retrieved 7681: 7669: 7654: 7639: 7630: 7621: 7596:. 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3316:n 3293:) 3290:3 3284:n 3281:( 3278:) 3275:2 3269:n 3266:( 3259:2 3255:) 3251:1 3245:n 3242:( 3239:3 3233:+ 3230:k 3225:1 3222:+ 3217:2 3213:g 3206:= 3203:b 3186:b 3178:κ 3170:γ 3147:1 3144:+ 3139:2 3128:= 3112:b 3087:) 3082:2 3074:+ 3069:1 3061:( 3058:2 3051:2 3038:1 3027:= 3024:S 3011:2 3008:σ 3004:1 3001:σ 2997:2 2994:μ 2990:1 2987:μ 2972:A 2968:A 2945:i 2941:A 2935:i 2931:w 2925:i 2917:= 2908:A 2894:i 2891:w 2887:i 2884:A 2880:A 2859:K 2855:S 2851:U 2833:) 2826:1 2820:K 2815:1 2809:S 2800:1 2796:( 2792:U 2789:= 2786:A 2765:A 2753:D 2746:2 2743:σ 2739:1 2736:σ 2732:2 2729:μ 2725:1 2722:μ 2702:) 2697:2 2692:2 2684:+ 2679:2 2674:1 2666:( 2663:2 2658:| 2652:2 2639:1 2630:| 2624:= 2621:D 2565:. 2558:2 2553:| 2549:) 2546:p 2540:1 2537:( 2525:p 2515:| 2508:+ 2505:1 2497:2 2490:| 2484:2 2471:1 2462:| 2441:, 2416:. 2413:) 2408:2 2400:, 2395:1 2387:( 2381:2 2374:| 2368:2 2355:1 2346:| 2323:. 2319:| 2313:2 2305:+ 2300:1 2291:| 2287:S 2280:| 2274:2 2261:1 2252:| 2241:S 2227:. 2221:) 2216:r 2211:+ 2208:1 2205:( 2200:r 2187:) 2181:2 2177:r 2173:+ 2170:r 2164:1 2161:( 2158:2 2155:+ 2150:3 2146:r 2142:2 2134:2 2130:r 2126:3 2123:+ 2120:r 2117:3 2114:+ 2111:2 2102:= 2099:S 2089:S 2075:. 2068:2 2063:2 2053:2 2048:1 2038:= 2035:r 2021:p 2014:σ 2010:2 2007:μ 2003:1 2000:μ 1986:, 1977:2 1972:| 1966:2 1953:1 1944:| 1938:= 1935:d 1925:p 1911:, 1906:1 1898:2 1894:d 1888:d 1885:2 1882:+ 1879:) 1874:1 1866:2 1862:d 1853:d 1850:( 1841:2 1834:| 1830:) 1827:p 1824:( 1812:) 1809:p 1803:1 1800:( 1790:| 1769:1 1763:d 1702:i 1689:i 1685:K 1680:i 1676:S 1659:x 1656:d 1652:) 1649:x 1646:( 1643:f 1638:r 1634:) 1624:x 1621:( 1615:= 1610:r 1574:i 1566:= 1561:i 1533:x 1530:d 1526:) 1523:x 1520:( 1517:f 1514:x 1508:= 1479:] 1474:4 1469:2 1461:+ 1456:2 1451:2 1441:2 1436:2 1428:6 1425:+ 1420:3 1415:2 1405:2 1395:2 1391:S 1387:4 1384:+ 1379:4 1374:2 1364:2 1360:K 1356:[ 1353:) 1350:p 1344:1 1341:( 1338:+ 1335:] 1330:4 1325:1 1317:+ 1312:2 1307:1 1297:2 1292:1 1284:6 1281:+ 1276:3 1271:1 1261:1 1251:1 1247:S 1243:4 1240:+ 1235:4 1230:1 1220:1 1216:K 1212:[ 1209:p 1206:= 1201:4 1173:] 1168:3 1163:2 1155:+ 1150:2 1145:2 1135:2 1127:3 1124:+ 1119:3 1114:2 1104:2 1100:S 1096:[ 1093:) 1090:p 1084:1 1081:( 1078:+ 1075:] 1070:3 1065:1 1057:+ 1052:2 1047:1 1037:1 1029:3 1026:+ 1021:3 1016:1 1006:1 1002:S 998:[ 995:p 992:= 987:3 959:] 954:2 949:2 941:+ 936:2 931:2 923:[ 920:) 917:p 911:1 908:( 905:+ 902:] 897:2 892:1 884:+ 879:2 874:1 866:[ 863:p 860:= 855:2 825:2 817:) 814:p 808:1 805:( 802:+ 797:1 789:p 786:= 770:x 768:( 766:f 759:p 754:i 750:g 732:) 729:x 726:( 721:2 717:g 713:) 710:p 704:1 701:( 698:+ 695:) 692:x 689:( 684:1 680:g 676:p 673:= 670:) 667:x 664:( 661:f 524:1 512:0 502:Z 498:Y 484:, 481:) 472:1 469:( 449:Z 409:Y 319:t 312:t 297:R 293:y 289:x 285:b 281:a 261:y 258:+ 255:b 250:x 247:+ 244:a 238:= 235:R 215:b 211:a 34:. 20:)

Index

Bimodal distribution
Bimodality

mixture
normal distributions
probability density function


A 3D plot of a probability distribution. It ripples and spirals away from the origin, with only one local maximum near the origin.
unimodal
statistics
probability distribution
mode
probability density function
antimode
amplitude
acrophase
batiphase
arcsine distribution
beta distribution
U-quadratic distribution
confluent hypergeometric function
reciprocal
Cauchy distribution
geysers
color of galaxies
weaver ants
Hodgkin's lymphoma
isoniazid
novae

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