[R] factorizing many columns of a dataframe

From: Gregory Gentlemen <gregory_gentlemen_at_yahoo.ca>
Date: Sun 23 Oct 2005 - 10:54:42 EST

Hi guys,  

I have a large number of columns of a dataframe that I want to apply a common factorization to; the columns are all numeric and the factorization collapses some of these values into common groups (labels). How can I do this systematically? Is there an analog to sapply that can pass columns as vectors to FUN?  

Thanks in advance,
Gregory Gentlemen                 

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