you could use 
 
chickwts$feed<- as.numeric(levels(chickwts$feed))[as.integer(chickwts$feed)]
 
I got this by searching archives of old messages.  I can't recall why the 
simpler as.numeric(chickwts$feed) is not an appropriate all around solution.  
 
--
"I like nonsense, it wakes up the brain cells. Fantasy is a necessary 
ingredient in living, it's a way of looking at life through the wrong end of a 
telescope. Which is what I do, and that enables you to laugh at life's 
realities." - Dr. Suess

________________________________

From: r-help-boun...@r-project.org on behalf of schung
Sent: Wed 5/6/2009 10:55 AM
To: r-help@r-project.org
Subject: [R] changing variables in a dataset




Hi! I just quasi-learned how to use R and I'm trying to change the feed from
horsebean, linseed, etc to 1, 2, 3, etc

The dataset I'm practicing on is pre-loaded in R

data(chickwts)
chickwts

Any help is much appreciated!!

Thank you!!
--
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