Le jeudi 22 novembre 2012 à 13:12 -0800, maths123 a écrit :
> I have s data set where 2 of the columns give the coded versions of the
> factors A and B. Factor A is coded with 1, 2, 3. Factor B is coded with 1,2.
>
> How do use the factor function to convert these variables into factors, and
> also use the labels= command to give them a more informative name?
No example data is provided, but :
df <- data.frame(A=rep(1:2, 3), B=rep(1:3, 2))
df$A <- factor(df$A, levels=1:2, labels=c("a", "b"))
df$B <- factor(df$B, levels=1:3, labels=c("c", "d", "e"))
Regards
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