[R] factor to numeric (no subject)

Petr Pikal petr.pikal at precheza.cz
Tue Sep 12 15:04:46 CEST 2006


all culumns which are used for discrimination (in your case 3) are 
factor. If you want to change them to numeric you has to use


I believe it is in FAQ.


Please use sensible subject.

On 12 Sep 2006 at 14:49, Anders Eklund wrote:

Date sent:      	Tue, 12 Sep 2006 14:49:18 +0200 (CEST)
From:           	"Anders Eklund" <aeklund at kth.se>
To:             	"r-help at lists.R-project.org" <r-help at stat.math.ethz.ch>
Subject:        	[R] (no subject)

> Hi,
> I have a problem with aggregate.
> x <- aggregate(t1,list(t2,t3,t4), mean)
> z<-x[,3]
> I want z to be a vector but it is a factor.
> I've tried to use as.vector(z,mode="numeric") but then the numbers get
> scrambeled.
> Any help is appriciated
> /anders
> ______________________________________________
> R-help at stat.math.ethz.ch mailing list
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> PLEASE do read the posting guide
> http://www.R-project.org/posting-guide.html and provide commented,
> minimal, self-contained, reproducible code.

Petr Pikal
petr.pikal at precheza.cz

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