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stat.ME2025
A New Approach to the Nonparametric Behrens-Fisher Problem with Compatible Confidence Intervals
Stephen Schüürhuis, Frank Konietschke, Edgar Brunner
We propose a new test to address the nonparametric Behrens-Fisher problem involving different distribution functions in the two samples. Our procedure tests the null hypothesis $\m…
stat.ME2024
An unbiased rank-based estimator of the Mann-Whitney variance including the case of ties
Edgar Brunner, Frank Konietschke
Many estimators of the variance of the well-known unbiased and uniform most powerful estimator $\htheta$ of the Mann-Whitney effect, $θ= P(X < Y) + \nfrac12 P(X=Y)$, are considered…
stat.ME2018
The Behrens-Fisher Problem with Covariates and Baseline Adjustments
Cong Cao, Markus Pauly, Frank Konietschke
The Welch-Satterthwaite t-test is one of the most prominent and often used statistical inference method in applications. The method is, however, not flexible with respect to adjust…