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Q–Q plot

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4236: 279:(CDF), all quantiles are uniquely defined and can be obtained by inverting the CDF. If a theoretical probability distribution with a discontinuous CDF is one of the two distributions being compared, some of the quantiles may not be defined, so an interpolated quantile may be plotted. If the Q–Q plot is based on data, there are multiple quantile estimators in use. Rules for forming Q–Q plots when quantiles must be estimated or interpolated are called 40: 4222: 78: 99: 257: 4260: 87: 4248: 1801: 421:
Although a Q–Q plot is based on quantiles, in a standard Q–Q plot it is not possible to determine which point in the Q–Q plot determines a given quantile. For example, it is not possible to determine the median of either of the two distributions being compared by inspecting the Q–Q plot. Some Q–Q
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A simple case is where one has two data sets of the same size. In that case, to make the Q–Q plot, one orders each set in increasing order, then pairs off and plots the corresponding values. A more complicated construction is the case where two data sets of different sizes are being compared. To
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The intercept and slope of a linear regression between the quantiles gives a measure of the relative location and relative scale of the samples. If the median of the distribution plotted on the horizontal axis is 0, the intercept of a regression line is a measure of location, and the slope is a
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between the paired sample quantiles. The closer the correlation coefficient is to one, the closer the distributions are to being shifted, scaled versions of each other. For distributions with a single shape parameter, the probability plot correlation coefficient plot provides a method for
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Many other choices have been suggested, both formal and heuristic, based on theory or simulations relevant in context. The following subsections discuss some of these. A narrower question is choosing a maximum (estimation of a population maximum), known as the
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This can be easily generated for any distribution for which the quantile function can be computed, but conversely the resulting estimates of location and scale are no longer precisely the least squares estimates, though these only differ significantly for
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than the distribution plotted on the horizontal axis. Q–Q plots are often arced, or S-shaped, indicating that one of the distributions is more skewed than the other, or that one of the distributions has heavier tails than the other.
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estimating the shape parameter – one simply computes the correlation coefficient for different values of the shape parameter, and uses the one with the best fit, just as if one were comparing distributions of different types.
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A normal Q–Q plot comparing randomly generated, independent standard normal data on the vertical axis to a standard normal population on the horizontal axis. The linearity of the points suggests that the data are normally
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of the fitted line). Although this is not too important for the normal distribution (the location and scale are estimated by the mean and standard deviation, respectively), it can be useful for many other distributions.
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of the order statistics, which one can compute based on estimates of the median of the order statistics of a uniform distribution and the quantile function of the distribution; this was suggested by
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The main step in constructing a Q–Q plot is calculating or estimating the quantiles to be plotted. If one or both of the axes in a Q–Q plot is based on a theoretical distribution with a continuous
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is a plot of the quantiles of two distributions against each other, or a plot based on estimates of the quantiles. The pattern of points in the plot is used to compare the two distributions.
233:. Q–Q plots are also used to compare two theoretical distributions to each other. Since Q–Q plots compare distributions, there is no need for the values to be observed as pairs, as in a 369:
The points plotted in a Q–Q plot are always non-decreasing when viewed from left to right. If the two distributions being compared are identical, the Q–Q plot follows the 45° line
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The term "probability plot" sometimes refers specifically to a Q–Q plot, sometimes to a more general class of plots, and sometimes to the less commonly used
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is less than or equal to some value). That is, given a probability, we want the corresponding quantile of the cumulative distribution function.
1216:{\displaystyle m(i)={\begin{cases}1-0.5^{1/n}&i=1\\\\{\dfrac {i-0.3175}{n+0.365}}&i=2,3,\ldots ,n-1\\\\0.5^{1/n}&i=n.\end{cases}}} 1890: 1769: 1688: 1597: 66:
on the horizontal axis. The points follow a strongly nonlinear pattern, suggesting that the data are not distributed as a standard normal (
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However, this requires calculating the expected values of the order statistic, which may be difficult if the distribution is not normal.
225:, but is less widely known. Q–Q plots are commonly used to compare a data set to a theoretical model. This can provide an assessment of 2876: 2024: 106:
daily maximum temperatures at 25 stations in the US state of Ohio in March and in July. The curved pattern suggests that the central
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The choice of quantiles from a theoretical distribution can depend upon context and purpose. One choice, given a sample of size
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points such that there is an equal distance between all of them and also between the two outermost points and the edges of the
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Another common use of Q–Q plots is to compare the distribution of a sample to a theoretical distribution, such as the standard
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than the distribution plotted on the vertical axis. Conversely, if the general trend of the Q–Q plot is steeper than the line
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approach to comparing their underlying distributions. A Q–Q plot is generally more diagnostic than comparing the samples'
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measure of scale. The distance between medians is another measure of relative location reflected in a Q–Q plot. The "
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uses the expected values of the order statistics of the given distribution; the resulting plot and line yields the
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A Q–Q plot is used to compare the shapes of distributions, providing a graphical view of how properties such as
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If the two distributions being compared are similar, the points in the Q–Q plot will approximately lie on the
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are similar or different in the two distributions. Q–Q plots can be used to compare collections of data, or
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quantile estimate so that quantiles corresponding to the same underlying probability can be constructed.
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Hazen, Allen (1914), "Storage to be provided in the impounding reservoirs for municipal water supply",
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Filliben, J. J. (February 1975), "The Probability Plot Correlation Coefficient Test for Normality",
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is the quantile function for the desired distribution. The quantile function is the inverse of the
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Wilk, M.B.; Gnanadesikan, R. (1968), "Probability plotting methods for the analysis of data",
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The reason for this estimate is that the order statistic medians do not have a simple form.
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approach equals that of plotting the points according to the probability that the last of (
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This plotting position was used by Irving I. Gringorten to plot points in tests for the
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James J. Filliben uses the following estimates for the uniform order statistic medians:
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of the distribution. These can be expressed in terms of the quantile function and the
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to the left compared to the March distribution. The data cover the period 1893–2001.
241: 31: 4136: 4069: 4046: 3961: 3291: 2587: 2485: 2420: 2362: 2284: 2239: 321:(the inverse function of the CDF is the quantile function), the Q–Q plot draws the 234: 237:, or even for the numbers of values in the two groups being compared to be equal. 1919: 1880: 1589: 1284:
Note that this also uses a different expression for the first & last points.
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are more closely spaced in July than in March, and that the July distribution is
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Weibull, Waloddi (1939), "The Statistical Theory of the Strength of Materials",
704: 653: 264:, versus a normal distribution. Outliers are visible in the upper right corner. 77: 3025: 2505: 2205: 2136: 2086: 2061: 1981: 1566: 1553:
Makkonen, L. (2008), "Bringing closure to the plotting position controversy",
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on the plot corresponds to one of the quantiles of the second distribution (
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comes with functions to make Q–Q plots, namely qqnorm and qqplot from the
217:. The use of Q–Q plots to compare two samples of data can be viewed as a 158:-coordinate) plotted against the same quantile of the first distribution ( 27:
Plot of the empirical distribution of p-values against the theoretical one
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plots indicate the deciles to make determinations such as this possible.
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More abstractly, given two cumulative probability distribution functions
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A simple (and easy to remember) formula for plotting positions; used in
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Expected value of the order statistic for a standard normal distribution
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Chambers, John; Cleveland, William; Kleiner, Beat; Tukey, Paul (1983),
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package implements faster plotting for large number of data points.
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Expected value of the order statistic for a uniform distribution
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order statistic medians for the continuous uniform distribution
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construct the Q–Q plot in this case, it is necessary to use an
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A normal Q–Q plot of randomly generated, independent standard
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Methods for Statistical Analysis of Multivariate Observations
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IVA Handlingar, Royal Swedish Academy of Engineering Sciences
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where the parameter is the index of the quantile interval.
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Several different formulas have been used or proposed as
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Transactions of the American Society of Civil Engineers
1334:'s earlier approximation and is the expression used in 229:
that is graphical, rather than reducing to a numerical
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in the range from 0 to 1, which gives a range between
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Autoregressive conditional heteroskedasticity (ARCH)
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Statistical estimates and transformed beta variables
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sfnp error: no target: CITEREFLarsenCurranHunt1980 (
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(September 1953). 1243: 1239: 932:The order statistic medians are the medians of the 1482: 1215: 988: 541: 260:Q–Q plot for first opening/final closing dates of 1555:Communications in Statistics – Theory and Methods 1763: 3411:Multivariate adaptive regression splines (MARS) 1704:"A plotting rule for extreme probability paper" 1810:National Institute of Standards and Technology 1966: 246:probability plot correlation coefficient plot 8: 1855:(1), American Society for Quality: 111–117, 1449: 1010:are the uniform order statistic medians and 672:Alternatively, one may use estimates of the 613:) randomly drawn values will not exceed the 355:indexed over with values in the real plane 1687:sfnp error: no target: CITEREFCunnane1978 ( 4020: 4007: 3924: 3730: 3599: 3574: 3345: 3321: 3049: 2832: 2633: 2620: 2403: 2390: 2029: 2020: 2007: 1973: 1959: 1951: 1467:, Section 2.2.2, Quantile-Quantile Plots, 652:estimate for location and scale (from the 102:A Q–Q plot comparing the distributions of 1585: 1583: 1478: 1476: 1460: 1458: 1364:, these plotting points are equal to the 1182: 1178: 1104: 1076: 1072: 1054: 1037: 948: 522: 1782: 1361: 1291:. This expression is an estimate of the 1288: 679: 428:probability plot correlation coefficient 90:A Q–Q plot of a sample of data versus a 1682: 1399: 1277: 280: 3937:Kaplan–Meier estimator (product limit) 1592:, by Henry C. Thode, CRC Press, 2002, 486:, as these are the quantiles that the 1464: 7: 4247: 3947:Accelerated failure time (AFT) model 1331: 4259: 3542:Analysis of variance (ANOVA, anova) 1882:Nonparametric statistical inference 1826:Graphical methods for data analysis 1670:Distribution free plotting position 1645:"1.3.3.21. Normal Probability Plot" 3637:Cochran–Mantel–Haenszel statistics 2263:Pearson product-moment correlation 1879:; Chakraborti, Subhabrata (2003), 1631:10.1111/j.1467-9574.1953.tb00821.x 1539:Madsen, H.O.; et al. (1986), 25: 637:, the quantiles one uses are the 4258: 4246: 4234: 4221: 4220: 1804: This article incorporates 1799: 1764:Larsen, Curran & Hunt (1980) 1483:Gibbons & Chakraborti (2003) 1018:cumulative distribution function 277:cumulative distribution function 4287:Statistical charts and diagrams 3896:Least-squares spectral analysis 1819:, New York: John Wiley and Sons 1708:Journal of Geophysical Research 1256:Empirical distribution function 2877:Mean-unbiased minimum-variance 1702:Gringorten, Irving I. (1963). 1048: 1042: 983: 980: 974: 968: 959: 953: 710:. Such formulas have the form 668:Median of the order statistics 536: 524: 1: 4190:Geographic information system 3406:Simultaneous equations models 1834:The Elements of Graphing Data 1415:(1), Biometrika Trust: 1–17, 490:realizes. The last of these, 164:-coordinate). This defines a 54:). This Q–Q plot compares a 3373:Coefficient of determination 2984:Uniformly most powerful test 1541:Methods of Structural Safety 989:{\displaystyle N(i)=G(U(i))} 140:against each other. A point 3942:Proportional hazards models 3886:Spectral density estimation 3868:Vector autoregression (VAR) 3302:Maximum posterior estimator 2534:Randomized controlled trial 1924:, New York: Marcel Dekker, 1885:(4th ed.), CRC Press, 1287:cites the original work by 351:. Thus, the Q–Q plot is a 252:Definition and construction 126:) is a probability plot, a 4303: 3702:Multivariate distributions 2122:Average absolute deviation 1263:analysis was developed by 619:-th smallest of the first 585:maximum spacing estimation 511:, or instead to space the 62:on the vertical axis to a 29: 4216: 4019: 4006: 3690:Structural equation model 3598: 3573: 3344: 3320: 3052: 3026:Score/Lagrange multiplier 2632: 2619: 2441:Sample size determination 2402: 2389: 2019: 2006: 1988: 1899:Gnanadesikan, R. (1977). 1567:10.1080/03610920701653094 650:generalized least squares 345:for a range of values of 262:Washington State Route 20 215:theoretical distributions 132:probability distributions 4185:Environmental statistics 3707:Elliptical distributions 3500:Generalized linear model 3429:Simple linear regression 3199:Hodges–Lehmann estimator 2656:Probability distribution 2565:Stochastic approximation 2127:Coefficient of variation 1918:Thode, Henry C. (2002), 927: 30:Not to be confused with 3845:Cross-correlation (XCF) 3453:Non-standard predictors 2887:Lehmann–Scheffé theorem 2560:Adaptive clinical trial 1877:Gibbons, Jean Dickinson 1832:Cleveland, W.S. (1994) 1728:10.1029/JZ068i003p00813 918:For large sample size, 635:normal probability plot 625:randomly drawn values. 450:normal probability plot 432:correlation coefficient 4241:Mathematics portal 4062:Engineering statistics 3970:Nelson–Aalen estimator 3547:Analysis of covariance 3434:Ordinary least squares 3358:Pearson product-moment 2762:Statistical functional 2673:Empirical distribution 2506:Controlled experiments 2235:Frequency distribution 2013:Descriptive statistics 1806:public domain material 1619:Statistica Neerlandica 1236:R programming language 1217: 990: 543: 265: 124:quantile–quantile plot 115: 95: 83: 74: 64:statistical population 4157:Population statistics 4099:System identification 3833:Autocorrelation (ACF) 3761:Exponential smoothing 3675:Discriminant analysis 3670:Canonical correlation 3534:Partition of variance 3396:Regression validation 3240:(Jonckheere–Terpstra) 3139:Likelihood-ratio test 2828:Frequentist inference 2740:Location–scale family 2661:Sampling distribution 2626:Statistical inference 2593:Cross-sectional study 2580:Observational studies 2539:Randomized experiment 2368:Stem-and-leaf display 2170:Central limit theorem 1921:Testing for normality 1590:Testing for Normality 1503:North Cascades Passes 1421:10.1093/biomet/55.1.1 1218: 991: 762:Expressions include: 544: 488:sampling distribution 430:" (PPCC plot) is the 259: 196:location-scale family 101: 89: 80: 42: 4080:Probabilistic design 3665:Principal components 3508:Exponential families 3460:Nonlinear regression 3439:General linear model 3401:Mixed effects models 3391:Errors and residuals 3368:Confounding variable 3270:Bayesian probability 3248:Van der Waerden test 3238:Ordered alternative 3003:Multiple comparisons 2882:Rao–Blackwellization 2845:Estimating equations 2801:Statistical distance 2519:Factorial experiment 2052:Arithmetic-Geometric 1321:statistical package. 1265:Chester Ittner Bliss 1036: 947: 521: 92:Weibull distribution 4152:Official statistics 4075:Methods engineering 3756:Seasonal adjustment 3524:Poisson regressions 3444:Bayesian regression 3383:Regression analysis 3363:Partial correlation 3335:Regression analysis 2934:Prediction interval 2929:Likelihood interval 2919:Confidence interval 2911:Interval estimation 2872:Unbiased estimators 2690:Model specification 2570:Up-and-down designs 2258:Partial correlation 2214:Index of dispersion 2132:Interquartile range 1720:1963JGR....68..813G 1450:Gnanadesikan (1977) 1349:Gumbel distribution 928:Filliben's estimate 566:German tank problem 440:normal distribution 4172:Spatial statistics 4052:Medical statistics 3952:First hitting time 3906:Whittle likelihood 3557:Degrees of freedom 3552:Multivariate ANOVA 3485:Heteroscedasticity 3297:Bayesian estimator 3262:Bayesian inference 3111:Kolmogorov–Smirnov 2996:Randomization test 2966:Testing hypotheses 2939:Tolerance interval 2850:Maximum likelihood 2745:Exponential family 2678:Density estimation 2638:Statistical theory 2598:Natural experiment 2544:Scientific control 2461:Survey methodology 2147:Standard deviation 1213: 1208: 1130: 1020:(probability that 986: 730:for some value of 708:plotting positions 539: 456:Plotting positions 308:quantile functions 306:, with associated 281:plotting positions 266: 198:of distributions. 134:by plotting their 130:for comparing two 116: 96: 84: 75: 4274: 4273: 4212: 4211: 4208: 4207: 4147:National accounts 4117:Actuarial science 4109:Social statistics 4002: 4001: 3998: 3997: 3994: 3993: 3929:Survival function 3914: 3913: 3776:Granger causality 3617:Contingency table 3592:Survival analysis 3569: 3568: 3565: 3564: 3421:Linear regression 3316: 3315: 3312: 3311: 3287:Credible interval 3256: 3255: 3039: 3038: 2855:Method of moments 2724:Parametric family 2685:Statistical model 2615: 2614: 2611: 2610: 2529:Random assignment 2451:Statistical power 2385: 2384: 2381: 2380: 2230:Contingency table 2200: 2199: 2067:Generalized/power 1892:978-0-8247-4052-8 1815:Blom, G. (1958), 1598:978-0-8247-9613-6 1129: 646:Shapiro–Wilk test 231:summary statistic 118:In statistics, a 16:(Redirected from 4294: 4262: 4261: 4250: 4249: 4239: 4238: 4224: 4223: 4127:Crime statistics 4021: 4008: 3925: 3891:Fourier analysis 3878:Frequency domain 3858: 3805: 3771:Structural break 3731: 3680:Cluster analysis 3627:Log-linear model 3600: 3575: 3516: 3490:Homoscedasticity 3346: 3322: 3241: 3233: 3225: 3224:(Kruskal–Wallis) 3209: 3194: 3149:Cross validation 3134: 3116:Anderson–Darling 3063: 3050: 3021:Likelihood-ratio 3013:Parametric tests 2991:Permutation test 2974:1- & 2-tails 2865:Minimum distance 2837:Point estimation 2833: 2784:Optimal decision 2735: 2634: 2621: 2603:Quasi-experiment 2553:Adaptive designs 2404: 2391: 2268:Rank correlation 2030: 2021: 2008: 1975: 1968: 1961: 1952: 1946:Probability plot 1934: 1914: 1895: 1872: 1829: 1820: 1803: 1802: 1786: 1780: 1774: 1773: 1761: 1755: 1754: 1746: 1740: 1739: 1699: 1693: 1692: 1680: 1674: 1672:, Yu & Huang 1666: 1660: 1659: 1657: 1655: 1641: 1635: 1634: 1610: 1604: 1587: 1578: 1577: 1550: 1544: 1543: 1536: 1530: 1529: 1521: 1515: 1514: 1512: 1510: 1495: 1489: 1480: 1471: 1462: 1453: 1447: 1441: 1440: 1404: 1382: 1380: 1358: 1352: 1345: 1339: 1328: 1322: 1315: 1309: 1307: 1282: 1245: 1241: 1222: 1220: 1219: 1214: 1212: 1211: 1191: 1190: 1186: 1170: 1131: 1128: 1117: 1106: 1100: 1085: 1084: 1080: 1025: 1015: 1009: 995: 993: 992: 987: 934:order statistics 923: 913: 899: 885: 872: 858: 844: 830: 816: 802: 788: 775: 758: 746: 735: 729: 691: 644:More generally, 624: 618: 612: 605: 582: 559: 549:interval, using 548: 546: 545: 542:{\displaystyle } 540: 516: 510: 499: 485: 475: 465: 447: 412: 398: 388: 378: 360: 353:parametric curve 350: 344: 339:-th quantile of 338: 332: 327:-th quantile of 326: 320: 314: 305: 299: 193: 183: 166:parametric curve 163: 157: 151: 128:graphical method 72: 53: 21: 4302: 4301: 4297: 4296: 4295: 4293: 4292: 4291: 4277: 4276: 4275: 4270: 4233: 4204: 4166: 4103: 4089:quality control 4056: 4038:Clinical trials 4015: 3990: 3974: 3962:Hazard function 3956: 3910: 3872: 3856: 3819: 3815:Breusch–Godfrey 3803: 3780: 3720: 3695:Factor analysis 3641: 3622:Graphical model 3594: 3561: 3528: 3514: 3494: 3448: 3415: 3377: 3340: 3339: 3308: 3252: 3239: 3231: 3223: 3207: 3192: 3171:Rank statistics 3165: 3144:Model selection 3132: 3090:Goodness of fit 3084: 3061: 3035: 3007: 2960: 2905: 2894:Median unbiased 2822: 2733: 2666:Order statistic 2628: 2607: 2574: 2548: 2500: 2455: 2398: 2396:Data collection 2377: 2289: 2244: 2218: 2196: 2156: 2108: 2025:Continuous data 2015: 2002: 1984: 1979: 1942: 1937: 1932: 1917: 1911: 1898: 1893: 1875: 1861:10.2307/1268008 1846: 1836:, Hobart Press 1823: 1814: 1800: 1795: 1790: 1789: 1783:Filliben (1975) 1781: 1777: 1767: 1762: 1758: 1753:(77): 1547–1550 1748: 1747: 1743: 1701: 1700: 1696: 1686: 1681: 1677: 1667: 1663: 1653: 1651: 1643: 1642: 1638: 1612: 1611: 1607: 1588: 1581: 1552: 1551: 1547: 1538: 1537: 1533: 1523: 1522: 1518: 1508: 1506: 1497: 1496: 1492: 1481: 1474: 1463: 1456: 1448: 1444: 1406: 1405: 1401: 1396: 1391: 1386: 1385: 1379: 1369: 1362:Filliben (1975) 1359: 1355: 1346: 1342: 1329: 1325: 1316: 1312: 1306: 1296: 1289:Filliben (1975) 1283: 1279: 1274: 1252: 1232: 1207: 1206: 1192: 1174: 1171: 1168: 1167: 1132: 1118: 1107: 1101: 1098: 1097: 1086: 1068: 1055: 1034: 1033: 1021: 1011: 1000: 945: 944: 930: 919: 903: 889: 876: 862: 848: 834: 820: 806: 792: 778: 766: 748: 737: 731: 711: 698: 687: 680:Filliben (1975) 670: 631: 620: 614: 607: 596: 593: 587:of parameters. 569: 550: 519: 518: 512: 501: 491: 477: 467: 461: 458: 442: 404: 390: 380: 370: 367: 356: 346: 340: 334: 328: 322: 316: 310: 301: 295: 254: 227:goodness of fit 185: 175: 159: 153: 141: 67: 48: 35: 28: 23: 22: 15: 12: 11: 5: 4300: 4298: 4290: 4289: 4279: 4278: 4272: 4271: 4269: 4268: 4256: 4244: 4230: 4217: 4214: 4213: 4210: 4209: 4206: 4205: 4203: 4202: 4197: 4192: 4187: 4182: 4176: 4174: 4168: 4167: 4165: 4164: 4159: 4154: 4149: 4144: 4139: 4134: 4129: 4124: 4119: 4113: 4111: 4105: 4104: 4102: 4101: 4096: 4091: 4082: 4077: 4072: 4066: 4064: 4058: 4057: 4055: 4054: 4049: 4044: 4035: 4033:Bioinformatics 4029: 4027: 4017: 4016: 4011: 4004: 4003: 4000: 3999: 3996: 3995: 3992: 3991: 3989: 3988: 3982: 3980: 3976: 3975: 3973: 3972: 3966: 3964: 3958: 3957: 3955: 3954: 3949: 3944: 3939: 3933: 3931: 3922: 3916: 3915: 3912: 3911: 3909: 3908: 3903: 3898: 3893: 3888: 3882: 3880: 3874: 3873: 3871: 3870: 3865: 3860: 3852: 3847: 3842: 3841: 3840: 3838:partial (PACF) 3829: 3827: 3821: 3820: 3818: 3817: 3812: 3807: 3799: 3794: 3788: 3786: 3785:Specific tests 3782: 3781: 3779: 3778: 3773: 3768: 3763: 3758: 3753: 3748: 3743: 3737: 3735: 3728: 3722: 3721: 3719: 3718: 3717: 3716: 3715: 3714: 3699: 3698: 3697: 3687: 3685:Classification 3682: 3677: 3672: 3667: 3662: 3657: 3651: 3649: 3643: 3642: 3640: 3639: 3634: 3632:McNemar's test 3629: 3624: 3619: 3614: 3608: 3606: 3596: 3595: 3578: 3571: 3570: 3567: 3566: 3563: 3562: 3560: 3559: 3554: 3549: 3544: 3538: 3536: 3530: 3529: 3527: 3526: 3510: 3504: 3502: 3496: 3495: 3493: 3492: 3487: 3482: 3477: 3472: 3470:Semiparametric 3467: 3462: 3456: 3454: 3450: 3449: 3447: 3446: 3441: 3436: 3431: 3425: 3423: 3417: 3416: 3414: 3413: 3408: 3403: 3398: 3393: 3387: 3385: 3379: 3378: 3376: 3375: 3370: 3365: 3360: 3354: 3352: 3342: 3341: 3338: 3337: 3332: 3326: 3325: 3318: 3317: 3314: 3313: 3310: 3309: 3307: 3306: 3305: 3304: 3294: 3289: 3284: 3283: 3282: 3277: 3266: 3264: 3258: 3257: 3254: 3253: 3251: 3250: 3245: 3244: 3243: 3235: 3227: 3211: 3208:(Mann–Whitney) 3203: 3202: 3201: 3188: 3187: 3186: 3175: 3173: 3167: 3166: 3164: 3163: 3162: 3161: 3156: 3151: 3141: 3136: 3133:(Shapiro–Wilk) 3128: 3123: 3118: 3113: 3108: 3100: 3094: 3092: 3086: 3085: 3083: 3082: 3074: 3065: 3053: 3047: 3045:Specific tests 3041: 3040: 3037: 3036: 3034: 3033: 3028: 3023: 3017: 3015: 3009: 3008: 3006: 3005: 3000: 2999: 2998: 2988: 2987: 2986: 2976: 2970: 2968: 2962: 2961: 2959: 2958: 2957: 2956: 2951: 2941: 2936: 2931: 2926: 2921: 2915: 2913: 2907: 2906: 2904: 2903: 2898: 2897: 2896: 2891: 2890: 2889: 2884: 2869: 2868: 2867: 2862: 2857: 2852: 2841: 2839: 2830: 2824: 2823: 2821: 2820: 2815: 2810: 2809: 2808: 2798: 2793: 2792: 2791: 2781: 2780: 2779: 2774: 2769: 2759: 2754: 2749: 2748: 2747: 2742: 2737: 2721: 2720: 2719: 2714: 2709: 2699: 2698: 2697: 2692: 2682: 2681: 2680: 2670: 2669: 2668: 2658: 2653: 2648: 2642: 2640: 2630: 2629: 2624: 2617: 2616: 2613: 2612: 2609: 2608: 2606: 2605: 2600: 2595: 2590: 2584: 2582: 2576: 2575: 2573: 2572: 2567: 2562: 2556: 2554: 2550: 2549: 2547: 2546: 2541: 2536: 2531: 2526: 2521: 2516: 2510: 2508: 2502: 2501: 2499: 2498: 2496:Standard error 2493: 2488: 2483: 2482: 2481: 2476: 2465: 2463: 2457: 2456: 2454: 2453: 2448: 2443: 2438: 2433: 2428: 2426:Optimal design 2423: 2418: 2412: 2410: 2400: 2399: 2394: 2387: 2386: 2383: 2382: 2379: 2378: 2376: 2375: 2370: 2365: 2360: 2355: 2350: 2345: 2340: 2335: 2330: 2325: 2320: 2315: 2310: 2305: 2299: 2297: 2291: 2290: 2288: 2287: 2282: 2281: 2280: 2275: 2265: 2260: 2254: 2252: 2246: 2245: 2243: 2242: 2237: 2232: 2226: 2224: 2223:Summary tables 2220: 2219: 2217: 2216: 2210: 2208: 2202: 2201: 2198: 2197: 2195: 2194: 2193: 2192: 2187: 2182: 2172: 2166: 2164: 2158: 2157: 2155: 2154: 2149: 2144: 2139: 2134: 2129: 2124: 2118: 2116: 2110: 2109: 2107: 2106: 2101: 2096: 2095: 2094: 2089: 2084: 2079: 2074: 2069: 2064: 2059: 2057:Contraharmonic 2054: 2049: 2038: 2036: 2027: 2017: 2016: 2011: 2004: 2003: 2001: 2000: 1995: 1989: 1986: 1985: 1980: 1978: 1977: 1970: 1963: 1955: 1949: 1948: 1941: 1940:External links 1938: 1936: 1935: 1930: 1915: 1909: 1896: 1891: 1873: 1844: 1830: 1821: 1812: 1796: 1794: 1791: 1788: 1787: 1775: 1756: 1741: 1714:(3): 813–814. 1694: 1683:Cunnane (1978) 1675: 1661: 1636: 1605: 1579: 1561:(3): 460–467, 1545: 1531: 1516: 1490: 1472: 1454: 1452:, p. 199. 1442: 1398: 1397: 1395: 1392: 1390: 1387: 1384: 1383: 1373: 1353: 1340: 1323: 1310: 1300: 1276: 1275: 1273: 1270: 1269: 1268: 1258: 1251: 1248: 1231: 1228: 1224: 1223: 1210: 1205: 1202: 1199: 1196: 1193: 1189: 1185: 1181: 1177: 1173: 1172: 1169: 1166: 1163: 1160: 1157: 1154: 1151: 1148: 1145: 1142: 1139: 1136: 1133: 1127: 1124: 1121: 1116: 1113: 1110: 1103: 1102: 1099: 1096: 1093: 1090: 1087: 1083: 1079: 1075: 1071: 1067: 1064: 1061: 1060: 1058: 1053: 1050: 1047: 1044: 1041: 997: 996: 985: 982: 979: 976: 973: 970: 967: 964: 961: 958: 955: 952: 929: 926: 916: 915: 901: 887: 874: 860: 846: 832: 818: 804: 790: 776: 697: 694: 669: 666: 630: 627: 592: 589: 538: 535: 532: 529: 526: 457: 454: 366: 365:Interpretation 363: 253: 250: 219:non-parametric 26: 24: 14: 13: 10: 9: 6: 4: 3: 2: 4299: 4288: 4285: 4284: 4282: 4267: 4266: 4257: 4255: 4254: 4245: 4243: 4242: 4237: 4231: 4229: 4228: 4219: 4218: 4215: 4201: 4198: 4196: 4195:Geostatistics 4193: 4191: 4188: 4186: 4183: 4181: 4178: 4177: 4175: 4173: 4169: 4163: 4162:Psychometrics 4160: 4158: 4155: 4153: 4150: 4148: 4145: 4143: 4140: 4138: 4135: 4133: 4130: 4128: 4125: 4123: 4120: 4118: 4115: 4114: 4112: 4110: 4106: 4100: 4097: 4095: 4092: 4090: 4086: 4083: 4081: 4078: 4076: 4073: 4071: 4068: 4067: 4065: 4063: 4059: 4053: 4050: 4048: 4045: 4043: 4039: 4036: 4034: 4031: 4030: 4028: 4026: 4025:Biostatistics 4022: 4018: 4014: 4009: 4005: 3987: 3986:Log-rank test 3984: 3983: 3981: 3977: 3971: 3968: 3967: 3965: 3963: 3959: 3953: 3950: 3948: 3945: 3943: 3940: 3938: 3935: 3934: 3932: 3930: 3926: 3923: 3921: 3917: 3907: 3904: 3902: 3899: 3897: 3894: 3892: 3889: 3887: 3884: 3883: 3881: 3879: 3875: 3869: 3866: 3864: 3861: 3859: 3857:(Box–Jenkins) 3853: 3851: 3848: 3846: 3843: 3839: 3836: 3835: 3834: 3831: 3830: 3828: 3826: 3822: 3816: 3813: 3811: 3810:Durbin–Watson 3808: 3806: 3800: 3798: 3795: 3793: 3792:Dickey–Fuller 3790: 3789: 3787: 3783: 3777: 3774: 3772: 3769: 3767: 3766:Cointegration 3764: 3762: 3759: 3757: 3754: 3752: 3749: 3747: 3744: 3742: 3741:Decomposition 3739: 3738: 3736: 3732: 3729: 3727: 3723: 3713: 3710: 3709: 3708: 3705: 3704: 3703: 3700: 3696: 3693: 3692: 3691: 3688: 3686: 3683: 3681: 3678: 3676: 3673: 3671: 3668: 3666: 3663: 3661: 3658: 3656: 3653: 3652: 3650: 3648: 3644: 3638: 3635: 3633: 3630: 3628: 3625: 3623: 3620: 3618: 3615: 3613: 3612:Cohen's kappa 3610: 3609: 3607: 3605: 3601: 3597: 3593: 3589: 3585: 3581: 3576: 3572: 3558: 3555: 3553: 3550: 3548: 3545: 3543: 3540: 3539: 3537: 3535: 3531: 3525: 3521: 3517: 3511: 3509: 3506: 3505: 3503: 3501: 3497: 3491: 3488: 3486: 3483: 3481: 3478: 3476: 3473: 3471: 3468: 3466: 3465:Nonparametric 3463: 3461: 3458: 3457: 3455: 3451: 3445: 3442: 3440: 3437: 3435: 3432: 3430: 3427: 3426: 3424: 3422: 3418: 3412: 3409: 3407: 3404: 3402: 3399: 3397: 3394: 3392: 3389: 3388: 3386: 3384: 3380: 3374: 3371: 3369: 3366: 3364: 3361: 3359: 3356: 3355: 3353: 3351: 3347: 3343: 3336: 3333: 3331: 3328: 3327: 3323: 3319: 3303: 3300: 3299: 3298: 3295: 3293: 3290: 3288: 3285: 3281: 3278: 3276: 3273: 3272: 3271: 3268: 3267: 3265: 3263: 3259: 3249: 3246: 3242: 3236: 3234: 3228: 3226: 3220: 3219: 3218: 3215: 3214:Nonparametric 3212: 3210: 3204: 3200: 3197: 3196: 3195: 3189: 3185: 3184:Sample median 3182: 3181: 3180: 3177: 3176: 3174: 3172: 3168: 3160: 3157: 3155: 3152: 3150: 3147: 3146: 3145: 3142: 3140: 3137: 3135: 3129: 3127: 3124: 3122: 3119: 3117: 3114: 3112: 3109: 3107: 3105: 3101: 3099: 3096: 3095: 3093: 3091: 3087: 3081: 3079: 3075: 3073: 3071: 3066: 3064: 3059: 3055: 3054: 3051: 3048: 3046: 3042: 3032: 3029: 3027: 3024: 3022: 3019: 3018: 3016: 3014: 3010: 3004: 3001: 2997: 2994: 2993: 2992: 2989: 2985: 2982: 2981: 2980: 2977: 2975: 2972: 2971: 2969: 2967: 2963: 2955: 2952: 2950: 2947: 2946: 2945: 2942: 2940: 2937: 2935: 2932: 2930: 2927: 2925: 2922: 2920: 2917: 2916: 2914: 2912: 2908: 2902: 2899: 2895: 2892: 2888: 2885: 2883: 2880: 2879: 2878: 2875: 2874: 2873: 2870: 2866: 2863: 2861: 2858: 2856: 2853: 2851: 2848: 2847: 2846: 2843: 2842: 2840: 2838: 2834: 2831: 2829: 2825: 2819: 2816: 2814: 2811: 2807: 2804: 2803: 2802: 2799: 2797: 2794: 2790: 2789:loss function 2787: 2786: 2785: 2782: 2778: 2775: 2773: 2770: 2768: 2765: 2764: 2763: 2760: 2758: 2755: 2753: 2750: 2746: 2743: 2741: 2738: 2736: 2730: 2727: 2726: 2725: 2722: 2718: 2715: 2713: 2710: 2708: 2705: 2704: 2703: 2700: 2696: 2693: 2691: 2688: 2687: 2686: 2683: 2679: 2676: 2675: 2674: 2671: 2667: 2664: 2663: 2662: 2659: 2657: 2654: 2652: 2649: 2647: 2644: 2643: 2641: 2639: 2635: 2631: 2627: 2622: 2618: 2604: 2601: 2599: 2596: 2594: 2591: 2589: 2586: 2585: 2583: 2581: 2577: 2571: 2568: 2566: 2563: 2561: 2558: 2557: 2555: 2551: 2545: 2542: 2540: 2537: 2535: 2532: 2530: 2527: 2525: 2522: 2520: 2517: 2515: 2512: 2511: 2509: 2507: 2503: 2497: 2494: 2492: 2491:Questionnaire 2489: 2487: 2484: 2480: 2477: 2475: 2472: 2471: 2470: 2467: 2466: 2464: 2462: 2458: 2452: 2449: 2447: 2444: 2442: 2439: 2437: 2434: 2432: 2429: 2427: 2424: 2422: 2419: 2417: 2414: 2413: 2411: 2409: 2405: 2401: 2397: 2392: 2388: 2374: 2371: 2369: 2366: 2364: 2361: 2359: 2356: 2354: 2351: 2349: 2346: 2344: 2341: 2339: 2336: 2334: 2331: 2329: 2326: 2324: 2321: 2319: 2318:Control chart 2316: 2314: 2311: 2309: 2306: 2304: 2301: 2300: 2298: 2296: 2292: 2286: 2283: 2279: 2276: 2274: 2271: 2270: 2269: 2266: 2264: 2261: 2259: 2256: 2255: 2253: 2251: 2247: 2241: 2238: 2236: 2233: 2231: 2228: 2227: 2225: 2221: 2215: 2212: 2211: 2209: 2207: 2203: 2191: 2188: 2186: 2183: 2181: 2178: 2177: 2176: 2173: 2171: 2168: 2167: 2165: 2163: 2159: 2153: 2150: 2148: 2145: 2143: 2140: 2138: 2135: 2133: 2130: 2128: 2125: 2123: 2120: 2119: 2117: 2115: 2111: 2105: 2102: 2100: 2097: 2093: 2090: 2088: 2085: 2083: 2080: 2078: 2075: 2073: 2070: 2068: 2065: 2063: 2060: 2058: 2055: 2053: 2050: 2048: 2045: 2044: 2043: 2040: 2039: 2037: 2035: 2031: 2028: 2026: 2022: 2018: 2014: 2009: 2005: 1999: 1996: 1994: 1991: 1990: 1987: 1983: 1976: 1971: 1969: 1964: 1962: 1957: 1956: 1953: 1947: 1944: 1943: 1939: 1933: 1931:0-8247-9613-6 1927: 1923: 1922: 1916: 1912: 1910:0-471-30845-5 1906: 1902: 1897: 1894: 1888: 1884: 1883: 1878: 1874: 1870: 1866: 1862: 1858: 1854: 1850: 1849:Technometrics 1845: 1843: 1842:0-9634884-1-4 1839: 1835: 1831: 1827: 1822: 1818: 1813: 1811: 1808:from the 1807: 1798: 1797: 1792: 1784: 1779: 1776: 1771: 1765: 1760: 1757: 1752: 1745: 1742: 1737: 1733: 1729: 1725: 1721: 1717: 1713: 1709: 1705: 1698: 1695: 1690: 1684: 1679: 1676: 1673: 1671: 1665: 1662: 1650: 1646: 1640: 1637: 1632: 1628: 1624: 1620: 1616: 1609: 1606: 1603: 1599: 1595: 1591: 1586: 1584: 1580: 1576: 1572: 1568: 1564: 1560: 1556: 1549: 1546: 1542: 1535: 1532: 1527: 1520: 1517: 1504: 1500: 1494: 1491: 1488: 1484: 1479: 1477: 1473: 1470: 1466: 1461: 1459: 1455: 1451: 1446: 1443: 1438: 1434: 1430: 1426: 1422: 1418: 1414: 1410: 1403: 1400: 1393: 1388: 1377: 1372: 1367: 1363: 1357: 1354: 1350: 1344: 1341: 1337: 1333: 1327: 1324: 1320: 1314: 1311: 1304: 1299: 1294: 1290: 1286: 1281: 1278: 1271: 1266: 1262: 1259: 1257: 1254: 1253: 1249: 1247: 1242:package. The 1237: 1229: 1227: 1203: 1200: 1197: 1194: 1187: 1183: 1179: 1175: 1164: 1161: 1158: 1155: 1152: 1149: 1146: 1143: 1140: 1137: 1134: 1125: 1122: 1119: 1114: 1111: 1108: 1094: 1091: 1088: 1081: 1077: 1073: 1069: 1065: 1062: 1056: 1051: 1045: 1039: 1032: 1031: 1030: 1027: 1024: 1019: 1014: 1007: 1003: 977: 971: 965: 962: 956: 950: 943: 942: 941: 939: 935: 925: 922: 911: 907: 902: 897: 893: 888: 884: 880: 875: 870: 866: 861: 856: 852: 847: 842: 838: 833: 828: 824: 819: 814: 810: 805: 800: 797:− 0.3175) / ( 796: 791: 786: 782: 777: 773: 769: 765: 764: 763: 760: 756: 752: 744: 740: 734: 727: 723: 719: 715: 709: 706: 703: 695: 693: 690: 683: 681: 677: 676: 667: 665: 662: 659: 655: 651: 647: 642: 640: 636: 628: 626: 623: 617: 610: 603: 599: 590: 588: 586: 580: 576: 572: 567: 561: 557: 553: 533: 530: 527: 515: 509: 505: 498: 494: 489: 484: 480: 474: 470: 464: 455: 453: 451: 445: 441: 436: 433: 429: 423: 419: 416: 411: 407: 402: 397: 393: 387: 383: 377: 373: 364: 362: 359: 354: 349: 343: 337: 331: 325: 319: 313: 309: 304: 298: 292: 290: 284: 282: 278: 273: 271: 263: 258: 251: 249: 247: 243: 238: 236: 232: 228: 224: 220: 216: 212: 208: 204: 199: 197: 192: 188: 182: 178: 174: 173:identity line 169: 167: 162: 156: 149: 145: 139: 138: 133: 129: 125: 121: 113: 109: 105: 100: 93: 88: 79: 70: 65: 61: 57: 51: 46: 41: 37: 33: 19: 4263: 4251: 4232: 4225: 4137:Econometrics 4087: / 4070:Chemometrics 4047:Epidemiology 4040: / 4013:Applications 3855:ARIMA model 3802:Q-statistic 3751:Stationarity 3647:Multivariate 3590: / 3586: / 3584:Multivariate 3582: / 3522: / 3518: / 3292:Bayes factor 3191:Signed rank 3103: 3077: 3069: 3057: 2752:Completeness 2588:Cohort study 2486:Opinion poll 2421:Missing data 2408:Study design 2363:Scatter plot 2347: 2285:Scatter plot 2278:Spearman's ρ 2240:Grouped data 1920: 1900: 1881: 1852: 1848: 1833: 1825: 1816: 1778: 1759: 1750: 1744: 1711: 1707: 1697: 1678: 1669: 1664: 1652:. Retrieved 1649:itl.nist.gov 1648: 1639: 1622: 1621:(in Dutch). 1618: 1608: 1558: 1554: 1548: 1540: 1534: 1525: 1519: 1507:. Retrieved 1502: 1493: 1465:Thode (2002) 1445: 1412: 1408: 1402: 1375: 1370: 1356: 1343: 1326: 1313: 1302: 1297: 1280: 1233: 1225: 1028: 1022: 1012: 1005: 1001: 998: 931: 920: 917: 909: 905: 895: 894:− 0.567) / ( 891: 882: 878: 868: 864: 854: 850: 840: 839:− 0.375) / ( 836: 826: 822: 812: 811:− 0.326) / ( 808: 798: 794: 784: 780: 771: 767: 761: 754: 750: 742: 738: 732: 725: 721: 717: 713: 707: 699: 688: 684: 673: 671: 663: 643: 632: 621: 615: 608: 601: 597: 594: 578: 574: 570: 562: 555: 551: 513: 507: 503: 496: 492: 482: 478: 472: 468: 462: 459: 443: 437: 424: 420: 409: 405: 395: 391: 385: 381: 375: 371: 368: 357: 347: 341: 335: 333:against the 329: 323: 317: 311: 302: 296: 293: 289:interpolated 285: 274: 269: 267: 239: 235:scatter plot 200: 190: 186: 180: 176: 170: 160: 154: 147: 143: 135: 123: 119: 117: 104:standardized 82:distributed. 68: 49: 36: 4265:WikiProject 4180:Cartography 4142:Jurimetrics 4094:Reliability 3825:Time domain 3804:(Ljung–Box) 3726:Time-series 3604:Categorical 3588:Time-series 3580:Categorical 3515:(Bernoulli) 3350:Correlation 3330:Correlation 3126:Jarque–Bera 3098:Chi-squared 2860:M-estimator 2813:Asymptotics 2757:Sufficiency 2524:Interaction 2436:Replication 2416:Effect size 2373:Violin plot 2353:Radar chart 2333:Forest plot 2323:Correlogram 2273:Kendall's τ 1828:, Wadsworth 1654:16 February 1625:: 163–173. 1332:Blom (1958) 867:− 0.44) / ( 705:symmetrical 633:In using a 45:exponential 4132:Demography 3850:ARMA model 3655:Regression 3232:(Friedman) 3193:(Wilcoxon) 3131:Normality 3121:Lilliefors 3068:Student's 2944:Resampling 2818:Robustness 2806:divergence 2796:Efficiency 2734:(monotone) 2729:Likelihood 2646:Population 2479:Stratified 2431:Population 2250:Dependence 2206:Count data 2137:Percentile 2114:Dispersion 2047:Arithmetic 1982:Statistics 1509:8 February 1409:Biometrika 1389:References 853:− 0.4) / ( 783:− 0.3) / ( 757:− 1) 696:Heuristics 448:, as in a 223:histograms 3513:Logistic 3280:posterior 3206:Rank sum 2954:Jackknife 2949:Bootstrap 2767:Bootstrap 2702:Parameter 2651:Statistic 2446:Statistic 2358:Run chart 2343:Pie chart 2338:Histogram 2328:Fan chart 2303:Bar chart 2185:L-moments 2072:Geometric 1903:. Wiley. 1736:2156-2202 1575:122822135 1394:Citations 1162:− 1153:… 1112:− 1066:− 881:− 0.5) / 654:intercept 581:− 1 506:− 0.5) / 415:dispersed 401:dispersed 137:quantiles 108:quantiles 4281:Category 4227:Category 3920:Survival 3797:Johansen 3520:Binomial 3475:Isotonic 3062:(normal) 2707:location 2514:Blocking 2469:Sampling 2348:Q–Q plot 2313:Box plot 2295:Graphics 2190:Skewness 2180:Kurtosis 2152:Variance 2082:Heronian 2077:Harmonic 1360:Used by 1330:This is 1267:in 1934. 1250:See also 1230:Software 908:− 1) / ( 898:− 0.134) 825:− ⅓) / ( 815:+ 0.348) 801:+ 0.365) 753:− 1) / ( 481:= 1, …, 270:Q–Q plot 242:P–P plot 211:skewness 203:location 120:Q–Q plot 71:~ N(0,1) 52:~ Exp(1) 32:P–P plot 4253:Commons 4200:Kriging 4085:Process 4042:studies 3901:Wavelet 3734:General 2901:Plug-in 2695:L space 2474:Cluster 2175:Moments 1993:Outline 1869:1268008 1793:Sources 1716:Bibcode 1437:5661047 1429:2334448 1336:MINITAB 1293:medians 871:+ 0.12) 843:+ 0.25) 724:+ 1 − 2 692:small. 639:rankits 47:data, ( 18:QQ plot 4122:Census 3712:Normal 3660:Manova 3480:Robust 3230:2-way 3222:1-way 3060:-test 2731:  2308:Biplot 2099:Median 2092:Lehmer 2034:Center 1928:  1907:  1889:  1867:  1840:  1734:  1596:  1573:  1487:p. 144 1435:  1427:  1261:Probit 1244:fastqq 1115:0.3175 999:where 857:+ 0.2) 787:+ 0.4) 702:affine 675:median 244:. The 209:, and 112:skewed 56:sample 3746:Trend 3275:prior 3217:anova 3106:-test 3080:-test 3072:-test 2979:Power 2924:Pivot 2717:shape 2712:scale 2162:Shape 2142:Range 2087:Heinz 2062:Cubic 1998:Index 1865:JSTOR 1602:p. 31 1571:S2CID 1528:(151) 1469:p. 21 1425:JSTOR 1366:modes 1272:Notes 1240:stats 1126:0.365 720:) / ( 658:slope 466:, is 446:(0,1) 207:scale 3979:Test 3179:Sign 3031:Wald 2104:Mode 2042:Mean 1926:ISBN 1905:ISBN 1887:ISBN 1838:ISBN 1770:help 1732:ISSN 1689:help 1656:2022 1594:ISBN 1511:2009 1433:PMID 1319:BMDP 1234:The 940:by: 912:− 1) 829:+ ⅓) 774:+ 1) 747:and 745:+ 1) 656:and 604:+ 1) 595:The 558:+ 1) 476:for 315:and 300:and 60:data 3159:BIC 3154:AIC 1857:doi 1724:doi 1627:doi 1563:doi 1417:doi 1368:of 1295:of 1176:0.5 1070:0.5 770:/ ( 741:/ ( 611:+ 1 600:/ ( 554:/ ( 58:of 4283:: 1863:, 1853:17 1851:, 1730:. 1722:. 1712:68 1710:. 1706:. 1647:. 1617:. 1600:, 1582:^ 1569:, 1559:37 1557:, 1501:. 1485:, 1475:^ 1457:^ 1431:, 1423:, 1413:55 1411:, 759:. 716:− 682:. 573:+ 560:. 495:/ 471:/ 408:= 394:= 384:= 374:= 361:. 283:. 268:A 205:, 189:= 179:= 146:, 3104:G 3078:F 3070:t 3058:Z 2777:V 2772:U 1974:e 1967:t 1960:v 1913:. 1871:. 1859:: 1785:. 1772:) 1766:. 1738:. 1726:: 1718:: 1691:) 1685:. 1658:. 1633:. 1629:: 1623:7 1565:: 1513:. 1439:. 1419:: 1381:. 1378:) 1376:k 1374:( 1371:U 1351:. 1338:. 1308:. 1305:) 1303:k 1301:( 1298:U 1204:. 1201:n 1198:= 1195:i 1188:n 1184:/ 1180:1 1165:1 1159:n 1156:, 1150:, 1147:3 1144:, 1141:2 1138:= 1135:i 1123:+ 1120:n 1109:i 1095:1 1092:= 1089:i 1082:n 1078:/ 1074:1 1063:1 1057:{ 1052:= 1049:) 1046:i 1043:( 1040:m 1023:X 1013:G 1008:) 1006:i 1004:( 1002:U 984:) 981:) 978:i 975:( 972:U 969:( 966:G 963:= 960:) 957:i 954:( 951:N 921:n 914:. 910:n 906:k 904:( 900:. 896:n 892:k 890:( 886:. 883:n 879:k 877:( 873:. 869:n 865:k 863:( 859:. 855:n 851:k 849:( 845:. 841:n 837:k 835:( 831:. 827:n 823:k 821:( 817:. 813:n 809:k 807:( 803:. 799:n 795:k 793:( 789:. 785:n 781:k 779:( 772:n 768:k 755:n 751:k 749:( 743:n 739:k 733:a 728:) 726:a 722:n 718:a 714:k 712:( 689:n 622:n 616:k 609:n 602:n 598:k 579:n 577:/ 575:m 571:m 556:n 552:k 537:] 534:1 531:, 528:0 525:[ 514:n 508:n 504:k 502:( 497:n 493:n 483:n 479:k 473:n 469:k 463:n 444:N 410:x 406:y 396:x 392:y 386:x 382:y 376:x 372:y 358:R 348:q 342:G 336:q 330:F 324:q 318:G 312:F 303:G 297:F 191:x 187:y 181:x 177:y 161:x 155:y 150:) 148:y 144:x 142:( 122:( 69:X 50:X 34:. 20:)

Index

QQ plot
P–P plot

exponential
sample
data
statistical population


Weibull distribution

standardized
quantiles
skewed
graphical method
probability distributions
quantiles
parametric curve
identity line
location-scale family
location
scale
skewness
theoretical distributions
non-parametric
histograms
goodness of fit
summary statistic
scatter plot
P–P plot

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