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1019950
2007 Aug 06
3
Error in using nlevels in apply function
Dear R users,
I am currently trying to create my first personnal function and use it
with the apply function. The purpose of this function is to create a
vector summarizing the number of levels in a given selection of
data.frame columns.
I tried to transpose the indexation method used by the nlevels function
but it doesn't seem to work. I did not find anything uesful in the
archives so