[R] access elements of summary.aov?
Liviu Andronic
landronimirc at gmail.com
Mon Oct 19 14:41:42 CEST 2009
Dear all
How do I access individual elements of a "summary.aov" object?
> data(iris)
> AnovaModel.1 <- aov(Sepal.Length ~ Species, data=iris)
> tmp <- summary(AnovaModel.1)
> tmp
Df Sum Sq Mean Sq F value Pr(>F)
Species 2 63.2 31.6 119 <2e-16 ***
Residuals 147 39.0 0.3
---
Signif. codes: 0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1
> str(tmp)
List of 1
$ :Classes 'anova' and 'data.frame': 2 obs. of 5 variables:
..$ Df : num [1:2] 2 147
..$ Sum Sq : num [1:2] 63.2 39
..$ Mean Sq: num [1:2] 31.606 0.265
..$ F value: num [1:2] 119 NA
..$ Pr(>F) : num [1:2] 1.67e-31 NA
- attr(*, "class")= chr [1:2] "summary.aov" "listof"
> tmp$1
Error: unexpected numeric constant in "tmp$1"
> tmp$"1"
NULL
> tmp$""
NULL
Thank you
Liviu
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