[R] glm predict problem with type = "response"
tlumley at u.washington.edu
Thu Feb 22 01:14:34 CET 2001
On Wed, 21 Feb 2001, Anne York wrote:
> The standard errors produced by predict.glm with type = "response" seem
> wrong. Here is an example using R 1.2 windows version along with the same
> problem in Splus. The standard errors for type = "link" are the same in
> both systems.
Yes, they're wrong (and they disagree with S-PLUS).
Two lines need to be interchanged in predict.glm: we transform the result
then use the transformed rather than untransformed result to compute the
I'll send you the fixed version separately
Thomas Lumley Asst. Professor, Biostatistics
tlumley at u.washington.edu University of Washington, Seattle
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