Nonparametric Statistics
This section contains the following topics:
One sample tests—Nonparametric StatisticsSIGNTEST Function—Sign test. WILCOXON Function—Wilcoxon rank sum test.NCTRENDS Function—Noehter’s test for cyclical trend. CSTRENDS Function—Cox and Stuarts’ sign test for trends in location and dispersion. TIE_STATS Function—Tie statistics. Two or more samples KW_TEST Function—Kruskal-Wallis test. FRIEDMANS_TEST Function—Friedman’s test. KTRENDS Function—K-sample trends test. 
