On Oct 6, 2010, at 10:23 AM, 笑啸 wrote:
dear:teacher
i have a problem which about the polr()(package "MASS"), if the
response must have 3 or more levels?
and how to fit the polr() to 2 levels?
Wouldn't you just use rms::lrm or glm( , family="binomial") in that
case?
--
David.
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