[R] logistic regression

Thomas Lumley tlumley at u.washington.edu
Fri Mar 14 19:30:34 CET 2003


On 14 Mar 2003, Peter Dalgaard BSA wrote:

> Frank E Harrell Jr <fharrell at virginia.edu> writes:
>
>
> > If you have no more than one continuous variable you can pre-process
> > (outside of R) to collapse the data into frequency counts. I did not
> > check to see if glm handles frequency case weights. The lrm function
> > in the Design package
> > (http://hesweb1.med.virginia.edu/biostat/s/Design.html) does.
>
> glm can have a matrix (cbind(success,failure)) as response.

Or case weights.

	-thomas



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