R help - Sep 2005 - Multiple comparisons like a Chi2 or Fisher's exact test

Dear all

 

I have an experiment where plots  either have or have not regrown (in 40
plots) after receiving 12 different herbicide treatments and a control (no
treatment). The data are significant with a Chi2, but to later distinguish
if the differences are significant between each of the 12 treatments apart I
need to do multiple Chi2 s between each. Is there a way to run those
multiple Chi2 or something like them so that each comparison is done in an
automated fashion between the treatments? Have I made myself clear?

 

Chris Buddenhagen, Botany Department, Charles Darwin Research Station, Santa
Cruz,Galapagos. Mail: Charles Darwin Foundation, Casilla 17-01-3891 Avenida
6 de Diciembre N36-109 y Pasaje California Quito, ECUADOR

 





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