Re: [R] extracting pvalue from ANOVA with repeated measures

From: Henrique Dallazuanna <wwwhsd_at_gmail.com>
Date: Wed, 2 Jan 2008 18:01:36 -0200

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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______________________________________________ R-help_at_r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
Received on Wed 02 Jan 2008 - 20:04:27 GMT

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