Re: [R] Multilevel Modelling

2014-03-28 Thread Patrick Coulombe
Have you tried running it using lmer() in lme4 instead, see if that helps? Patrick 2014-03-27 6:21 GMT-06:00 Laura Thomas : > Hi All, > > I am using R for the purpose of multilevel modelling for the first time. I am > trying to examine individuals interpersonal changes in the dependent variable

Re: [R] Multilevel Modelling

2014-03-28 Thread Bert Gunter
No, I don't think that will make any difference. 1) Post this to the r-sig-mixed-models list rather than here, as you are likely to get a much better answer there. 2) Did you realize that treatment is a linear term in the fixed effects portion, not a factor? If you don't understand the question,

[R] Multilevel Modelling

2014-03-27 Thread Laura Thomas
Hi All, I am using R for the purpose of multilevel modelling for the first time. I am trying to examine individuals interpersonal changes in the dependent variable over time and how this varies between groups. I am using the following code: treat.lme1<-lme(DependentVariable~Treatment*I(Time-1),