Nemenyi test

Gabriel — Thu, 20 Mar 2025 19:16:34 GMT

I would like to ask if the The Nemenyi test in JMP uses of calculates a Critical Difference (CD) value for the pairwise comparisons of different variables, and if yes does it do it automatically or we are to somehow set the critical CD at specific p values? Asking because when I run the Friedman test, and proceed for the pst hoc test, the alphabets of significance feels weird considering my dataset.

I would appreciate some comment or insight on this

Re: Nemenyi test

Dan_Obermiller — Thu, 20 Mar 2025 21:37:19 GMT

If the CD is calculated, I don't see any way to get it displayed. What are you seeing on the connecting letters report that does not make sense? Perhaps a screen capture of what you are seeing? Or maybe a reasonable example that illustrates the point would be helpful. Many times people confuse groups having the same letter as being equal, which is NOT the case.

As an example, you might want to read this thread: https://community.jmp.com/t5/Discussions/How-to-Interpret-Overlapping-Letter-Tukey-s-HSD/m-p/827923#M100975

It is using the Tukey-HSD test, but it is still a connecting letters report.

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Nemenyi test

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