Re: [R] interpreting an LME regression result...

2007-11-10 Thread Dieter Menne
Johan Jackson gmail.com> writes: > > In a regression equation not accounting for the fact that people are > nested in families, the result for Z variable is VERY strong (beta = > -4511), but this result is much weaker when I use lme and account for > people nested in families (beta = -2613). I'

Re: [R] interpreting an LME regression result...

2007-11-10 Thread Andrew Robinson
Hi Johan, it's not clear to me that we have enough information to answer your question reliably, but the following thoughts might be useful to you. 1) in your lme() model, all the coefficients are closer to zero than in your lm() model. 2) the change in Z is not very large relative to its sta

[R] interpreting an LME regression result...

2007-11-09 Thread Johan Jackson
Any help would be most appreciated. (Don't make me get down on my hands and knees and beg for help, cause I'll do it!!) My boss has me learning R and doing nested regression with the report due Mon (Friday night statistics...fun. ). Anyway, here's my problem: In a regression equation not accounti