نتایج جستجو برای: wilcoxon

تعداد نتایج: 9776  

Journal: :Computational Statistics & Data Analysis 2011
Annie Tordilla Darilay Joshua D. Naranjo

In a two-sample location-scalemodelwith censored data, the logrank test is asymptotically efficient when the error distribution is extreme minimum value. On the other hand, the Wilcoxon test is asymptotically efficient when the error distribution is logistic. We propose a pretest for choosing between logrank and Wilcoxon by determining if the error distribution is closer to extrememinimum value...

2011
Eun Yi Chung Joseph P. Romano EunYi Chung

The two-sample Wilcoxon test has been widely used in a broad range of scientific research, including economics, due to its good efficiency, robustness against parametric distributional assumptions, and the simplicity with which it can be performed. While the two-sample Wilcoxon test, by virtue of being both a rank and hence a permutation test, controls the exact probability of a Type 1 error un...

2008
Daniele De Martini

Riassunto: La stima della probabilità di riproducibilità (RP) di una significatività statistica consiste nella stima a posteriori della potenza, ed è un indicatore dell’affidabilità dei risultati dei test statistici. Si analizzano qui alcuni metodi per la stima, puntuale e per intervalli, della RP per il test di Wilcoxon, e si comparano tramite uno studio di simulazione. Si evince che la soluzi...

Journal: :International Journal of Clinical Biostatistics and Biometrics 2017

Journal: :Communications for Statistical Applications and Methods 2003

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