[R] Making an aggregated factor variable from an existing one

Hi, 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):

Re: [R] Making an aggregated factor variable from an existing one

Hi, Antti, you should look at ?levels (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: Hi, This is quite simple data manipulation task and I need