مقایسهٔ روشها
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| آزمون کولموگروف-اسمیرنوف دو نمونهای× | آزمون لوین و براون-فورسایت برای برابری واریانسها× | |
|---|---|---|
| حوزه | آمار | آمار |
| خانواده | Regression model | Regression model |
| سال پیدایش≠ | 1948 | 1960 |
| پدیدآور≠ | N. V. Smirnov | Howard Levene; Morton B. Brown and Alan B. Forsythe |
| نوع≠ | Nonparametric two-sample distribution test | Homogeneity of variance test (robust) |
| منبع بنیادین≠ | Smirnov, N. V. (1948). Table for Estimating the Goodness of Fit of Empirical Distributions. Annals of Mathematical Statistics, 19(2), 279-281. DOI ↗ | Levene, H. (1960). Robust Tests for Equality of Variances. In Contributions to Probability and Statistics: Essays in Honor of Harold Hotelling. Stanford University Press. link ↗ |
| نامهای دیگر≠ | KS two-sample test, two-sample KS test, İki Örneklem Kolmogorov-Smirnov Testi | Levene test, Brown-Forsythe test, homogeneity of variance test, Levene ve Brown-Forsythe Varyans Testi |
| مرتبط≠ | 3 | 5 |
| خلاصه≠ | The two-sample Kolmogorov-Smirnov test is a nonparametric procedure that asks whether two independent groups are drawn from the same continuous distribution. Building on Smirnov's 1948 tables, it compares the empirical cumulative distribution functions (CDFs) of the two samples and uses their maximum absolute distance as the test statistic. | The Levene and Brown-Forsythe test checks whether two or more groups share the same variance (homogeneity of variance). Levene (1960) built the test on absolute deviations from each group mean, and Brown and Forsythe (1974) made it robust to non-normal data by centring on the group median instead. |
| ScholarGateمجموعهداده ↗ |
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