[R] more classes to one class in one dataset

Jan Sabee jan.sabee at gmail.com
Wed Mar 23 11:51:49 CET 2005


Thanks. It's work.

Jan Sabee


On Wed, 23 Mar 2005 11:30:22 +0100, Dimitris Rizopoulos
<dimitris.rizopoulos at med.kuleuven.ac.be> wrote:
> 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
> 
> 
> ----- Original Message -----
> From: "Jan Sabee" <jan.sabee at gmail.com>
> To: <R-help at stat.math.ethz.ch>
> Sent: Wednesday, March 23, 2005 11:17 AM
> Subject: [R] more classes to one class in one dataset
> 
> >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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> >
> 
>




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