Re: [R] Post-hoc tests in MASS using glm.nb

2011-05-17 Thread Bryony Tolhurst
t') so how do I import this data without using attach(data)? I have tried: side<-read.table('Side.txt',T) attach(side) instead of: data<-read.table('Side.txt',T) attach(data) But obviously I am still using the attach function, if not with 'data'

[R] Post-hoc tests in MASS using glm.nb

2011-05-16 Thread bryony
ltcomp) function but it gives me the same results. I assume that there is some way of entering the data differently so as to tell R to use a different reference level each time and re-run the analysis for each level, but don't know what this is. Please help! Many thanks for your input Bryony