[R] Levene's Test for Homogeneity of Variance

John Fox jfox at mcmaster.ca
Sun Mar 21 16:31:24 CET 2010

Dear Iurie,

"Pr(>F)" is the p-value for the test of the null hypotheses that the
population variances are equal. This is the typical format for labelling a
p-value in R output.

I hope this helps,

John Fox
Senator William McMaster 
  Professor of Social Statistics
Department of Sociology
McMaster University
Hamilton, Ontario, Canada
web: socserv.mcmaster.ca/jfox

> -----Original Message-----
> From: r-help-bounces at r-project.org [mailto:r-help-bounces at r-project.org]
> Behalf Of Iurie Malai
> Sent: March-21-10 8:14 AM
> To: r-help at r-project.org
> Subject: [R] Levene's Test for Homogeneity of Variance
> Hi, All!
> To calculate Levene's Test for Homogeneity of Variance I use R Commander,
> and this is the output:
> > levene.test(Dataset$age, Dataset$sex)
> Levene's Test for Homogeneity of Variance
>       Df F value Pr(>F)
> group  1  0.8739 0.3567
>       33
> I am not sure what means "Pr(>F)"? Can anyone explain/translate this?
> Regards,
> Iurie Malai
> Department of Psychology and Special Education
> Moldova Pedagogical State University
> iurie.malai at gmail.com
> 	[[alternative HTML version deleted]]
> ______________________________________________
> R-help at r-project.org mailing list
> https://stat.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide
> and provide commented, minimal, self-contained, reproducible code.

More information about the R-help mailing list