Re: [R] Multilevel Modeling in R

2016-02-01 Thread Thierry Onkelinx
Dear David, R-sig-mixedmodels is a better mailing list for this kind of question. 1) yes 2) use (Treatment | Random_Assignment_Block) instead of (1 | Random_Assignment_Block) Best regards, ir. Thierry Onkelinx Instituut voor natuur- en bosonderzoek / Research Institute for Nature and Forest t

Re: [R] Multilevel Modeling in R

2016-01-29 Thread Bert Gunter
1. Please post in plain text, not HTML, which can get garbled. 2. I believe your syntax is incorrect, but I haven't used lmer in a while, and so what I believe should be ignored anyway. HOWEVER, there is a SIG (special interest group) for mixed models, and you have a much better chance of getting

[R] Multilevel Modeling in R

2016-01-28 Thread David Roy
I am conducting a multilevel regression analysis on the effect of an intervention on student test results, and am not sure how to implement the necessary R code to correctly capture the nested structure. The outcome measure for the study is whether a student passed or failed a final exam. The s