search for: fixedvar2

..., so the problem 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...