[R] multiple tapply

[Henrique Dallazuanna]

Try this:

aggregate(iris[,1:4], list(Species = iris[,5]), mean)

On Thu, Aug 7, 2008 at 8:01 AM, glaporta <glaporta at freeweb.org> wrote:
>
> Hi folk,
> I tried this and it works just perfectly
> tapply(iris[,1],iris[5],mean)
> but, how to obtain a single table from multiple variables?
> In tapply x is an atomic object so this code doesn't work
> tapply(iris[,1:4],iris[5],mean)
>
> Thanx and great summer holidays
> Gianandrea
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-- 
Henrique Dallazuanna
Curitiba-Paraná-Brasil
25° 25' 40" S 49° 16' 22" O