[R] pooling categories in a table

Robin Hankin r.hankin at auckland.ac.nz
Tue Apr 9 01:34:12 CEST 2002

Peter Dalgaard writes:

>  data(UCBAdmissions)
>  DF <- as.data.frame(UCBAdmissions)
>  DF$Dept <- factor(c(1,2,2,3,4,5)[DF$Dept],
>      labels=c("A","B+C","D","E","F"))
>  xtabs(Freq~.,DF)

This is simply brilliant.  I found it very very instructive; any
chance of adding it to the examples section of xtabs()' help file?


Robin Hankin, Lecturer,
School of Geographical and Environmental Science
Private Bag 92019 Auckland
New Zealand

r.hankin at auckland.ac.nz
tel 0064-9-373-7599 x6820; FAX 0064-9-373-7042

as of: Tue Apr  9 11:29:00 NZST 2002
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