search for: randomvar1

...lem may be related to my ignorance of statistics, and/or (2) I'm fairly new to R, so the problem may be related to my ignorance of R syntax. I have tried so many sources, my head is spinning, Here is the basic structure of my data (in longitudinal form): FixedVar1 FixedVar2 RandomVar1 RandomVar2 ... DepVar Subject1 1996 AF A 0.002 800 2.1 1997 AF A 0.002 760 2.1 1998 AF A 0.003 760 2.1 1999 AF...

Hello all, In lme4 if you want to model two non-nested random effects you code it like this: mod1 <- lmer(y~x + (1|randomvar1) + (1|randomvar2)) How would you go about to model something similar in nlme? In my database I have two variables for which I have repeated measures, lets call them "individual" and "year". But none of the "individuals" were measured in more than one year. So as I un...