extractAIC.nls

On 7/14/2012 4:11 PM, Gabor Grothendieck wrote:

On Sat, Jul 14, 2012 at 6:53 PM, Spencer Graves
<spencer.graves at prodsyse.com> wrote:

Hello:


       Does "extractAIC.nls" exist anywhere?  If no, is there some reason
it
should not be used?


       I'm planning to add it to the fda package, but before I do, I felt
a
need to ask if there is some reason I shouldn't or if there are caveats I
should include in the help page for it.

AIC in stats works on nls objects. It calls AIC.default which calls
logLik.nls .

      Thanks for the reply.  Unfortunately, it fails for me in the following
modification of the first example in help('nls'):