[R] controling omitted category in factor()

From: <toby909_at_gmail.com>
Date: Mon 02 Apr 2007 - 22:07:16 GMT

Hi All

How can I specify which category R should omit when running a linear model with categorical predictors? I saw it omits the first category by default, but I like to have the 3rd category omitted.

Thanks for your hints.


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