[R] Save P values calculated with anova

[Adrian Dușa]

That would be:
MyAnova$"Pr(>F)"

and since that is an Anova table, you actually only need the first value:
MyAnova$"Pr(>F)"[1]

Hope this helps,
Adrian


On Mon, Nov 4, 2013 at 4:10 PM, Anders Tisell <anders.tisell at liu.se> wrote:
>
> Hi,
>
> I have created a mixed linear model with one fixed factor and two
> random factors then I would like to test if there is a significant
> difference between the two groups.
>
> To do this I calculate the model with the lmer function:
>
> > MyModel <- lmer(...)
>
> and do a anova of the model to estimate if the F value is significant.
>
> > MyAnova <- anova(MyModel)
>
> And I get a summary table of the anova with F values, Pr(>F) when i
> try to extract this values using the $ function:
>
> > MyAnova$Pr(>F)
>
> I get the error message:
>
> Error: unexpected symbol '>' in "MyAnova$Pr(>
>
> I also get this message if I try to extract F value, Mean Sq etc But
> not for DF, Denom etc, so I guess it is the white space and >
> characters that is the problem. What should I do to get the P values
> so I can write them in to a file?
>
> I am using R 3.0.2 GUI 1.62 Snow Lepard build (6558) on a Mac Mini OS X 10.9
>
> Best regards
> /Anders
>
>
> Sent from Anders iPad
>
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Adrian Dusa
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