Welcome to the forum for R2MLwiN users. Feel free to post your question about R2MLwiN here. The Centre for Multilevel Modelling take no responsibility for the accuracy of these posts, we are unable to monitor them closely. Do go ahead and post your question and thank you in advance if you find the time to post any answers!
I am having some troubles passing a formula to MLwiN. I have a 3-level repeated measures model with random intercept and slopes at levels 3 (Group) and 2 (ID) and a fixed quadratic time component. I have tried both:
There appears to be a bug in R2MLwiN where formulae are not parsed correctly if the variables contain a "." character. We will investigate what the cause for this might be, but in the mean time you should be able to work around it by renaming your response so that it does not include this character.