Medical statistics and Data Science: Statistics

Nonparametric statistical hypothesis tests

Contents

Background

Overview of the commands in SAS, R, and Stata for the tests

The name of nonparametric Tests SAS R Stata
Wilcoxon rank-sum test (Mann–Whitney U test) ranksum
Wilcoxon matched-paires signed test signrank
Kruskal-Wallis Test kwallis

Wilcoxon rank-sum test (Mann–Whitney U test)

Wilcoxon matched-paires signed test

Kruskal-Wallis Test

Nonparametric tests

Nonparametric tests

Nonparametric tests

Nonparametric tests

Medical statistics

standard deviation

standard deviation