[R] Take a levels

[Dimitris Rizopoulos]

probably you want:

levels(y.iris)


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: "Muhammad Subianto" <subianto at gmail.com>
To: <R-help at stat.math.ethz.ch>
Sent: Wednesday, April 27, 2005 2:21 PM
Subject: [R] Take a levels


> Dear all,
> How can I take a levels from a dataset.
> For example,
>
> data(iris)
> x.iris <- iris[,1:4]
> y.iris <- iris[,5]
>> y.iris
>  [1] setosa     setosa     setosa     setosa     setosa     setosa
>  [7] setosa     setosa     setosa     setosa     setosa     setosa
> ....
> [139] virginica  virginica  virginica  virginica  virginica 
> virginica
> [145] virginica  virginica  virginica  virginica  virginica 
> virginica
> Levels: setosa versicolor virginica
>
> I want like,
> y.iris level are,
> [] setosa versicolor virginica
>
> Best regards,
> Muhammad Subianto
>
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