[R] Nonparametric Tukey-type multiple comparisons "Nemenyi" test

Torsten Hothorn Torsten.Hothorn at rzmail.uni-erlangen.de
Tue May 3 17:10:08 CEST 2005


> I am trying to do a Nonparametric Tukey-type multiple comparison
> post-hoc test to determine which groups are significantly different.

the manual page to `oneway_test' (in package `coin') has an example of
the Nemenyi-Damico-Wolfe-Dunn test taken from Hollander & Wolfe (1999).

Best,

Torsten


> I
> have read the dialogue on this topic from the R-help, and am still not
> clear why no statistical packages include this test as an option?  Is it
> not an appropriate test to conduct on non-normally distributed data?  Is
> the only option to calculate it by hand using the (Zar 1996) formula?
>
> Thank you in advance for your help.
>
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