Hello,

I have a data set which is similar to the following data

mice <- rep(letters[1:4],10)
outcome <- sample(c(0,1),length(mice),replace=T)
group <- c(rep("A",length(mice)/2),rep("B",length(mice)/2))

my.data <- data.frame(mice,outcome,group)
my.sort.data <- my.data[order(my.data[,1]),]

I would like to test wether there is a different between group A and B for
each mause type!

I was trying to use by, table and fisher.test/prop.test functions to do
this, but I could not solve this problem, any suggestion?

Many thanks in advance,
Cheba

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