If my memory serves me correctly when in checked this out with a simple random slopes, random intercept model on a single predictor, say x, centering x changed the correlation between the random effects quite dramatically but nothing else compared to the lmer with uncentered x. Dr Steven G. Candy Director/Consultant SCANDY STATISTICAL MODELLING PTY LTD (ABN: 83 601 268 419) 70 Burwood Drive Blackmans Bay, TASMANIA, Australia 7052 Mobile: (61) 0439284983
Failing to understand effect of centering a predictor in multilevel model
1 message · Steve Candy