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| Stima Winsorizzata× | Test di Permutazione (Randomizzazione)× | |
|---|---|---|
| Campo | Statistica | Statistica |
| Famiglia | Regression model | Regression model |
| Anno di origine≠ | 1960 | 2005 |
| Ideatore≠ | Dixon (1960); robust estimation tradition (Wilcox) | Good (2005); Edgington & Onghena (2007); resampling tradition |
| Tipo≠ | Robust location/scale estimator | Nonparametric resampling test |
| Fonte seminale≠ | Dixon, W. J. (1960). Simplified Estimation from Censored Normal Samples. Annals of Mathematical Statistics, 31(2), 385-391. DOI ↗ | Good, P. (2005). Permutation, Parametric and Bootstrap Tests of Hypotheses (3rd ed.). Springer. ISBN: 978-0387202792 |
| Alias≠ | winsorization, winsorized mean, Winsorize Edilmiş Tahmin | randomization test, exact permutation test, re-randomization test, Permütasyon Testi |
| Correlati | 5 | 5 |
| Sintesi≠ | Winsorized estimation is a robust technique that reduces the influence of outliers by clamping the extreme percentiles of a distribution to a chosen threshold. Introduced by Dixon (1960) and developed in the robust-estimation tradition of Wilcox, it keeps every observation in the sample rather than discarding any. | The permutation test is a nonparametric resampling procedure that builds the sampling distribution of a test statistic directly from the data by repeatedly shuffling the group labels. Developed in the resampling tradition and treated systematically by Good (2005) and Edgington & Onghena (2007), it requires no parametric distributional assumption and yields an exact p-value. |
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