convert 400 numeric variables to categorical together
How are they arranged currently? And should they be all one set of levels or different factor sets? Michael
On Tue, May 8, 2012 at 12:32 PM, ya <xinxi813 at 163.com> wrote:
Hi everyone, Is there anyway I can convert more than 400 numeric variables to categorical variables simultaneously? as.factor() is really slow, and only one at a time. Thank you very much. ya ? ? ? ?[[alternative HTML version deleted]]
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