Re: [R] lmer (or lme) with heteroscedasticity

Tukey -Oorspronkelijk bericht- Van: r-help-boun...@r-project.org [mailto:r-help-boun...@r-project.org] Namens Daryl Morris Verzonden: dinsdag 30 juni 2009 8:17 Aan: r-help@r-project.org Onderwerp: [R] lmer (or lme) with heteroscedasticity Hello, I'm trying to fit a mixed-effects model wit

[R] lmer (or lme) with heteroscedasticity

Hello, I'm trying to fit a mixed-effects model with a single binary predictor (case/control status in my case), a random intercept (e.g. dependent on radiologist) and also a random slope (a per-radiologist difference between cases and controls). I know how to do that, but what I don't know h