Re: [R] Heterogeneous variance in two-way mixed ANOVA

2010-07-22 Thread Kingsford Jones
Can't give more specific advice without more information (see the posting guide), but I suspect you want to use nlme::lme, specifying a weights argument to adjust for the heterogeneity. Kingsford On Wed, Jul 21, 2010 at 11:10 PM, Kline, Keith A wrote: > I have heterogeneous variance in a two-way

[R] Heterogeneous variance in two-way mixed ANOVA

2010-07-21 Thread Kline, Keith A
I have heterogeneous variance in a two-way mixed effects ANOVA, with more than 2 groups in each factor. Is there something like oneway.test or a Brown-Forsythe test that will let me test for differences in means? Thanks! -Keith __ R-help@r-project.o