Re: [R] contingency table

From: Henrique Dallazuanna <wwwhsd_at_gmail.com>
Date: Thu, 14 Feb 2008 10:46:20 -0200

I don't know if this you want but, you can try:

 table(data.frame(prev, iris$Species))

On 14/02/2008, Carla Rebelo <crebelo_at_liaad.up.pt> wrote:
> Hello!
>
> May you help me? I'm trying to do a contingency table using this
>
> > data(iris)
> > library(rpart)
> > modelo <- rpart(Species ~., iris)
> > prev <- predict(modelo, iris)
>
> Finally the contingency table
> > table(iris$Species, prev)
> But an error occurs:
> Error in table(iris$Species, prev) :
> all arguments must have the same length
>
> And I do not understand why, may you help me?
>
> Thank You!
>
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>

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

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Received on Thu 14 Feb 2008 - 12:51:32 GMT

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