In R, family has aic component since version 0.62. There is no aic component in
family in R 0.61.3.
Looking at blame,
https://github.com/wch/r-source/blame/tags/R-0-62/src/library/base/R/family.R ,
aic component in family is introduced in svn revision 640
(https://github.com/wch/r-source/commi
> Ben Bolker
> on Sun, 17 Jun 2018 11:40:38 -0400 writes:
> FWIW p. 206 of the White Book gives the following for
> names(binomial()): family, names, link, inverse, deriv,
> initialize, variance, deviance, weight.
> So $aic wasn't there In The Beginning. I haven't
FWIW p. 206 of the White Book gives the following for
names(binomial()): family, names, link, inverse, deriv, initialize,
variance, deviance, weight.
So $aic wasn't there In The Beginning. I haven't done any more
archaeology to try to figure out when/by whom it was first introduced
...
Sectio
> Ben Bolker
> on Sun, 3 Jun 2018 17:33:18 -0400 writes:
> Is it generally known/has it been previously discussed here that the
> $aic() component in GLM-family objects (e.g. results of binomial(),
> poisson(), etc.) does not as implemented actually return the AIC, but
Is it generally known/has it been previously discussed here that the
$aic() component in GLM-family objects (e.g. results of binomial(),
poisson(), etc.) does not as implemented actually return the AIC, but
rather -2*log-likelihood + 2*(model_has_scale_parameter) ? Can anyone
in this forum gau