[R] extracting pvalue from ANOVA with repeated measures

[Henrique Dallazuanna]

Try this:

lapply(lapply(your_object, "[[", 1), "[[", "Pr(>F)")

where the object is of class summary.aovlist

-- 
Henrique Dallazuanna
Curitiba-Paraná-Brasil
25° 25' 40" S 49° 16' 22" O


On 02/01/2008, delphine.fontaine at genexion.com
<delphine.fontaine at genexion.com> wrote:
> I made an ANOVA with repeated mesures
> (aov(Mesure~Distance*Genre*Correct+Error(Sujet/(Distance*Genre*Correct)),
> data)) and I would like to extract the pvalues.
>
> The output is:
> -----------------------------------------------------------
> Error: Sujet
>           Df Sum Sq Mean Sq F value Pr(>F)
> Residuals 21 97.082   4.623
>
> Error: Sujet:Distance
>           Df Sum Sq Mean Sq F value Pr(>F)
> Distance   1  0.043   0.043  0.0162    0.9
> Residuals 21 56.283   2.680
>
> Error: Sujet:Genre
>           Df Sum Sq Mean Sq F value Pr(>F)
> Genre      1  0.026   0.026  0.0055 0.9416
> Residuals 21 98.849   4.707
>
> Error: Sujet:Correct
>           Df Sum Sq Mean Sq F value Pr(>F)
> Correct    1  3.208   3.208  0.9564 0.3392
> Residuals 21 70.435   3.354
>
> Error: Sujet:Distance:Genre
>                Df Sum Sq Mean Sq F value Pr(>F)
> Distance:Genre  1  0.322   0.322  0.0975 0.7579
> Residuals      21 69.388   3.304
>
> Error: Sujet:Distance:Correct
>                  Df Sum Sq Mean Sq F value Pr(>F)
> Distance:Correct  1  0.108   0.108  0.0271 0.8709
> Residuals        21 83.536   3.978
>
> Error: Sujet:Genre:Correct
>               Df  Sum Sq Mean Sq F value Pr(>F)
> Genre:Correct  1   0.510   0.510   0.103 0.7515
> Residuals     21 103.972   4.951
>
> Error: Sujet:Distance:Genre:Correct
>                        Df Sum Sq Mean Sq F value Pr(>F)
> Distance:Genre:Correct  1  7.677   7.677  2.1301 0.1592
> Residuals              21 75.686   3.604
>
> Error: Within
>            Df Sum Sq Mean Sq F value Pr(>F)
> Residuals 176 671.91    3.82
> -----------------------------------------------------------
>
> Each table is a list of length 1. So I can't extract the Pvalue because I
> can't split each element. Any idea ?
>
> thanks !
>
> Delphine
>
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