I'm new to R and mixed effects models. Can anyone tell me why, when I look for interactions, I lose a main effect, even when the interaction is non significant? I've tried centering, but that didn't work. Any ideas much appreciated!
Best regards Mitch [[alternative HTML version deleted]] ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.