Nonparametric Analysis

Nonparametric Statistics using BMDP Statistical Software Program 3S

Tests here do not require the assumption of normality. Many use ranks – 3S automatically converts quantitative variables or scores into ranks. Kendall and Spearman rank correlations are also available.

• Sign test and Wilcoxon signed-rank test
• Mann-Whitney rank sum test, Kruskal-Wallis one-way ANOVA
• Friedman two-way ANOVA, Kendall’s coefficient of concordance
• Multiple comparisons for Kruskal-Wallis and Friedman
• Kendall and Spearman rank correlations
• View Program BMDP Program 3S Manual Chapter