[R] Levene's Test for Homogeneity of Variance

Philippe Glaziou glaziou at gmail.com
Sun Mar 21 14:52:57 CET 2010


On 21 March 2010 13:13, Iurie Malai <iurie.malai at gmail.com> wrote:
> 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?


this is shorthand for:
> 1 - pf(0.8739, 1 ,33)
[1] 0.3567

see:
?pf

Philippe



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