[R] Making an aggregated factor variable from an existing one
Gerrit.Eichner at math.uni-giessen.de
Thu Jan 17 14:30:42 CET 2013
you should look at
(and particular its "Examples" section) to find out how to use
levels( X) <- c( "new1", ......., "newk")
to achieve what you want.
Regards -- Gerrit
On Thu, 17 Jan 2013, Antti Simola wrote:
> This is quite simple data manipulation task and I need help for it. I want to
> make new factor variable that is an aggregation of an existing factor.
> This works as I intended:
> X[Y == "original label"] <- " new label"
> How to make following work then (to make coding more convenient):
> original.labels <- c("ol.1","ol.2","ol.3")
> X[Y == original.labels] <- "new label"
> R-help at r-project.org mailing list
> PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.
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