Take a levels

Well... did you look at the help page on factors???
Did you even make a search?
The answer is within your question:
levels(iris[,5])
[1] "setosa"     "versicolor" "virginica" 

Eric
-----Original Message-----
From: r-help-bounces at stat.math.ethz.ch 
[mailto:r-help-bounces at stat.math.ethz.ch] On Behalf Of 
Muhammad Subianto
Sent: mercredi 27 avril 2005 14:22
To: R-help at stat.math.ethz.ch
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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Take a levels

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