What is the Kruskal–Wallis test? The Kruskal–Wallis test is a statistical test used to compare two or more groups for a continuous or discrete variable. It is a non-parametric test, meaning that it ...

The Mann-Whitney U Test, also known as the Wilcoxon Rank Sum Test, is a non-parametric statistical test used to compare two samples or groups. The Mann-Whitney U Test assesses whether two sampled ...

For the first and second approaches, it is possible to design a test statistic with a known asymptotic distribution. As a result, its significant level can be easily obtained and thus the method is ...

Michael Vaughan believes it would be ‘amateurish’ if England don’t play a pink-ball warm-up game ahead of the Test in Brisbane. The tourists are already 1-0 down, losing the ...

Identifying signatures of recent or ongoing selection is of high relevance in livestock population genomics. From a statistical perspective, determining a proper testing procedure and combining ...

The headlines from Joe Root’s press conference when England resumed their tour Down Under were about him calling into ...

Credit portfolio model validation is an important area of research that remains neglected. Given that credit defaults are typically rare events, density-based tests as suggested by Berkowitz seem to ...

Assume that the time series can be decomposed into the sum of a deterministic trend, a random walk and a MA(1) innovation. We are interested in testing the constancy of regression coefficient against ...

This article develops some general theory for testing the rank of a matrix. Applications include tests of interaction in two-factor experiments that are more powerful than the usual F test for certain ...