2,992
回編集
差分
ナビゲーションに移動
検索に移動
→Comparing Means
|rowspan="3" style="vertical-align:top"|
*'''Wilcoxon rank sum test'''<br>='''Mann-Whitney test'''
::''<math>H_0</math> is distribution '''medians of both of outcomes ranks''' in both the two population'''s''' are the same''
:#To rank whole combined observations of two groups
:#To separate back the ranks into two groups
|rowspan="3" style="vertical-align:top"|
*'''Wilcoxon signed rank test'''
::''<math>H_0</math> is '''median of paired differences''' in the population is zero''
:#To calculate differences between pairs and discard 0 differences
:#To rank the absolute values of differences (ignoring 0)
|style="vertical-align:top"|
*'''Kruskall-Wallis test'''
::''<math>H_0</math> is distribution of outcomes in all population'''s''' are the same''
:#To rank whole combined observations of all groups
:#To separate back the ranks into original groups
