Re: [R] more classes to one class in one dataset

From: Dimitris Rizopoulos <dimitris.rizopoulos_at_med.kuleuven.ac.be>
Date: Wed 23 Mar 2005 - 21:30:22 EST

try this:

split(dat, dat$class)

where 'dat' is your data.frame

I hope it helps.

Best,
Dimitris



Dimitris Rizopoulos
Ph.D. Student
Biostatistical Centre
School of Public Health
Catholic University of Leuven

Address: Kapucijnenvoer 35, Leuven, Belgium

Tel: +32/16/336899
Fax: +32/16/337015
Web: http://www.med.kuleuven.ac.be/biostat/
     http://www.student.kuleuven.ac.be/~m0390867/dimitris.htm


>I have a big database which more classes in class variable. I want to
> make each class to one dataset, for example:
> x1 x2 x3 x4 class
> a b a c c M1
> c b b c c M4
> c c a c c M2
> c a c a a M2
> c c a a a M1
> c a b c a M3
> c c a b c M3
> c a c a b M2
> c c a b a M1
>
> How can I make, like:
>
> x1 x2 x3 x4 class
> a b a c c M1
> c c a a a M1
> c c a b a M1
>
> x1 x2 x3 x4 class
> c c a c c M2
> c a c a a M2
> c a c a b M2
>
> x1 x2 x3 x4 class
> c a b c a M3
> c c a b c M3
>
> x1 x2 x3 x4 class
> c b b c c M4
>
> Thanks for your help.
> Jan Sabee
>
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R-help@stat.math.ethz.ch mailing list
https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html Received on Wed Mar 23 21:35:56 2005

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