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| Robustna ANOVA (Welch & Obrezani Prosek)× | Бутстрап Инференција× | Theil-Senov procenitelj× | |
|---|---|---|---|
| Oblast | Statistika | Statistika | Statistika |
| Porodica | Regression model | Regression model | Regression model |
| Godina nastanka≠ | 1951 | 1979 | 1968 |
| Tvorac≠ | Welch (1951); robust trimmed-mean approach popularised by Wilcox | Bradley Efron | Henri Theil (1950); P. K. Sen (1968) |
| Tip≠ | Robust one-way analysis of variance | Resampling-based inference | Robust linear regression |
| Temeljni izvor≠ | Welch, B. L. (1951). On the comparison of several mean values: an alternative approach. Biometrika, 38(3/4), 330-336. DOI ↗ | Efron, B. (1979). Bootstrap Methods: Another Look at the Jackknife. Annals of Statistics, 7(1), 1-26. DOI ↗ | Sen, P. K. (1968). Estimates of the Regression Coefficient Based on Kendall's Tau. Journal of the American Statistical Association, 63(324), 1379-1389. DOI ↗ |
| Drugi nazivi≠ | Welch ANOVA, trimmed-mean ANOVA, heteroscedastic one-way ANOVA, Robust ANOVA (Welch & Trimmed Mean) | bootstrap, bootstrap resampling, nonparametric bootstrap, Bootstrap Çıkarımı | Theil-Sen Tahmincisi, Theil-Sen regression, median slope estimator, Sen's slope estimator |
| Srodne≠ | 5 | 5 | 6 |
| Sažetak≠ | Robust ANOVA compares the central tendency of three or more groups when the classical assumptions of normality and equal variances fail. It combines Welch's heteroscedasticity-adjusted statistic, introduced by Welch in 1951, with trimmed-mean tests advanced by Wilcox, giving reliable comparisons in the presence of outliers and unequal group spreads. | Bootstrap inference, introduced by Bradley Efron in 1979, estimates the sampling distribution of a statistic by repeatedly resampling the observed data with replacement. It requires no distributional assumption and produces reliable confidence intervals even in small samples. | The Theil-Sen estimator is a robust linear regression method that estimates the slope as the median of the slopes computed over all pairs of data points. Introduced by Henri Theil in 1950 and extended by P. K. Sen in 1968, it tolerates outliers in the response with a breakdown point of about 29%. |
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