How to perform non-parametric pairwise comparisons after a Friedman test performed in Rcmdr, i.e. with series in columns, either to compare different columns to a control or to perform all pairwise comparisons ?

Example

 J1 J2 J3 J4

11 12 22 41

40 41 42 48

15 22 20 20

54 59 63 68

23 29 24 22

63 63 63 67

27 30 31 40

30 32 30 29

49 51 60 71

 

Many thanks

Gilles

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