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meanplot
2005 Sep 29
1
Error using a data frame as the "start" parameter in mle()
Dear R-Users,
I am trying to use mle() to optimize two (or more) parameters, but I want
to specify those parmeters in a data frame rather than having to spell
them out separately in the "start" variable of mle().
My call is
> mle(negll, start=list(aps=init), fixed=list(measphot=newphot,
formod=formod, Nbands=Nbands), method="BFGS")
where negll is a function I have written which uses the function
predict.loess(). negll works fine when called directly. The parameter I am
trying to optimize, "aps", is a data frame containing two parameters, e.g.
>...