- To use Duncan, you first need to load the Analysis of Variance Package using Needs["ANOVA`"].
- The Duncan test compares all cell means pairwise.
- Duncan's test effectively performs the same sequential paired comparisons as the StudentNewmanKeuls test, but with significance levels adjusted based on the number of groups in each subset being tested.
- Given significance level , the adjusted significance level with number of groups is equal to .
Basic Examples (1)
Analysis of variance with the Duncan test: