[R] HELP Tukey

CHIRIBOGA Xavier xavier.chiriboga at unine.ch
Thu Feb 26 11:21:44 CET 2015


Dear all ,



I am trying to do a Tukey comparison, but a message appears:



tuk<-glht(mod0,linfct=mcp(Soil="Tukey"));summary(tuk)
Error: could not find function "glht"



Anyone knows how to fix it?



Thanks a lot!



Xavier



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