Hi, you can try something like:

summary( zzz.aov )[[1]][ "Pr(>F)" ]

Regards

2009/4/14 Amit Patel <amitrhelp@yahoo.co.uk>

>
> Hi
> I have done ANOVA on a dataset (See Below) but am having problems
> retreiving the p-value. I am assuming that Pr(>F) is the p-value but cannot
> get this value or in fact any other value (e.g. DF) from the summary.Any
> suggestions??
>
> I have tried
>
> sum<-summary(zzz.aov)
> > sum$Pr(>F)
> Error: unexpected '>' in "sum$Pr(>"
> > sum$"Pr(>F)"
> NULL
> > sum$Df
> NULL
>
>
>
>
> > zzz.aov <- aov(Intensity ~ Group + Error(Sample), data = zzzanova)
> > summary(zzz.aov)
>
> Error: Sample
>      Df     Sum Sq    Mean Sq
> Group  1 6.0313e+10 6.0313e+10
>
> Error: Within
>          Df     Sum Sq    Mean Sq F value Pr(>F)
> Group      3 2.6012e+10 8.6707e+09  0.2934 0.8299
> Residuals 34 1.0049e+12 2.9556e+10
>
>
>
>
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