[R] Multiple comparisons; rank-based anova

Mark Difford mark_difford at yahoo.co.uk
Tue Sep 25 16:39:04 CEST 2007


Dear List-Members,

Is the application of multiple comparison procedures (using the multcomp
package) to the output from a rank-based ANOVA straightforward, or do I need
to take heed ?

That is, is it as simple as:

glht( aov(rank(NH4) ~ Site, data=mydat), linfct=mcp(Site="Tukey") )

Thanks in advance for your help.

Regards,
Mark Difford.
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