R version 2.4.0 beta (2006-09-25 r39510) Copyright (C) 2006 The R Foundation for Statistical Computing ISBN 3-900051-07-0 R is free software and comes with ABSOLUTELY NO WARRANTY. You are welcome to redistribute it under certain conditions. Type 'license()' or 'licence()' for distribution details. R is a collaborative project with many contributors. Type 'contributors()' for more information and 'citation()' on how to cite R or R packages in publications. Type 'demo()' for some demos, 'help()' for on-line help, or 'help.start()' for an HTML browser interface to help. Type 'q()' to quit R. > library(mlmRev) Loading required package: lme4 Loading required package: Matrix Loading required package: lattice > options(show.signif.stars = FALSE) > (fm1 <- lmer(langPOST ~ IQ.ver.cen+avg.IQ.ver.cen+(IQ.ver.cen|schoolNR), + bdf)) Linear mixed-effects model fit by REML Formula: langPOST ~ IQ.ver.cen + avg.IQ.ver.cen + (IQ.ver.cen | schoolNR) Data: bdf AIC BIC logLik MLdeviance REMLdeviance 15230 15264 -7609 15214 15218 Random effects: Groups Name Variance Std.Dev. Corr schoolNR (Intercept) 8.07566 2.84177 IQ.ver.cen 0.20801 0.45608 -0.642 Residual 41.34967 6.43037 number of obs: 2287, groups: schoolNR, 131 Fixed effects: Estimate Std. Error t value (Intercept) 40.74958 0.28808 141.45 IQ.ver.cen 2.45983 0.08364 29.41 avg.IQ.ver.cen 1.40893 0.32374 4.35 Correlation of Fixed Effects: (Intr) IQ.vr. IQ.ver.cen -0.274 avg.IQ.vr.c 0.029 -0.213 > q("no")