I recently found the "bestglm" package while trolling CRAN for a function to
save some keystrokes with simple (k<10) nested models. I am interested in
using the best of several nested linear models which I have explored using
lm(), glm() and now bestglm(). When I compare the AIC values for the 'best'
candidate model I get the same AIC values with lm() and glm() but a
different AIC (and likelihood) value from bestglm(). Is this the result of
some difference in likelihood calculation that I am missing in reviewing the
documentation and help files? I can provide code if there is interest in
looking into this, otherwise I will continue to assemble my tables the long
way with glm() and lm(), though the options and potential of the bestglm()
package has me very interested.
Cheers, Darren Gillis
Biological Sciences
University of Manitoba
Winnipeg, MB
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