> I would like to extract only p.value by performing wilcox.test with
> tapply function.
> > tapply(tmp$pc, tmp$name, wilcox.test)
>
> How can I extract only p.values of above command?
Try this:
wilcoxp <- function(x, ...)
{
y <- wilcox.test(x, ...)
y$p.value
}
tapply(tmp$pc, tmp$name
Hi,
You can define your own function within tapply. Something like this
should do the trick :
> tapply(tmp$pc, tmp$name, function(x) wilcox.test(x)$p.value )
Cheers,
Romain
--
Mango Solutions
data analysis that delivers
Introduction to R training course :: London :: 06-07 March 2008
http://
Dear UseRs,
I would like to extract only p.value by performing wilcox.test with
tapply function.
Example data.frame is as follows:
> tmp
name year DttDt2t2 Dgt Dgt2ec
tcpc
1AUS 1991 1.162935 1.141352 1.168011 1.193882 1.0189098 0.9601735
0.
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