search for: fact_a

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2007 Oct 22
2
having problems with the lme function
Dear R-users: I have some problems working with lme function, and i would be glad if anyone could help me. this kind of analysis i was used to do with PROC MIXED from SAS, but i would like to move to R, for many reasons... So, the problem is: Imagine the I have 3 factors: fact_A, fact_B and fact_C: The latter I would assume that is random, and the rest of them are fixed. Analysing the structure of the random factor, i found that it's necessary to set up an AR1 model. in a nutshell, it's a 3-way model, but one of the factors is random. working in SAS/ proc mixed I...