I want to execute only ONE tapply function and get results for each of the dataframes at one time:
dataset1<-data.frame(group = rep(c('a','b','c','d'), 3, each = 3),
number1 = c(1:36), number2 = c(1:36))
dataset...
I try to execute the tapply function for several variables at the same time, but with the use of the pairwise.t.test function. However, I do not succeed.
So, I have to do this:
pairwise.t.test(seguro1$tmp_habilit,seguro1$group...