[R] lme model specification problem (Error in MEEM...)

2012-01-06 Thread Pascal A. Niklaus
Dear all, In lme, models in which a factor is fully contained in another lead to an error. This is not the case when using lm/aov. I understand that these factors are aliased, but believe that such models make sense when the factors are fitted sequentially. For example, I sometimes fit a

Re: [R] lme model specification problem (Error in MEEM...)

2012-01-06 Thread Ben Bolker
Pascal A. Niklaus pascal.niklaus at ieu.uzh.ch writes: In lme, models in which a factor is fully contained in another lead to an error. This is not the case when using lm/aov. I understand that these factors are aliased, but believe that such models make sense when the factors are fitted