[R] Robust ANOVA with variance heterogeneity

John Fox jfox at mcmaster.ca
Fri Oct 2 13:55:09 CEST 2009

Dear Maike,

You could use the Anova() function in the car package with a
heteroscedasticity-consistent coefficient covariance matrix (via the
argument white.adjust=TRUE).


> -----Original Message-----
> From: r-help-bounces at r-project.org [mailto:r-help-bounces at r-project.org]
> Behalf Of Maike Luhmann
> Sent: October-02-09 3:05 AM
> To: r-help at r-project.org
> Subject: [R] Robust ANOVA with variance heterogeneity
> Dear list members,
> I am looking for an alternative function for a two-way ANOVA in the case
> variance heterogeneity. For one-way ANOVA, I found oneway.test(), but I
> didn't find anything alike for two-way ANOVA. Does anyone have a
> Thank you!
> Maike Luhmann
> Freie Universität Berlin
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