This app can be used to perform multiple comparisons to decide which two groups are significantly different from each other, provided that nonparametric tests indicate the populations are significantly different.
Download the file "npposthoc.opx", and then drag-and-drop onto the Origin workspace. An icon will appear in the Apps gallery window.
- Click the icon in the Apps Gallery window to open the dialog.
- Select a test from Kruskal-Wallis ANOVA, Mood's Median Test and Friedman ANOVA.
- For Kruskal-Wallis ANOVA and Mood's Median Test, Dunn's Test is used as the default post-hoc analysis method.
For Friedman ANOVA, you can choose Dunn's Test or Wilcoxon-Nemenyi-McDonald-Thompson Test as the post-hoc analysis method.
- Specify Input Data Form and select data from worksheet.
Specify Significance Level.
- Click OK.