[R] .Internal(optim)

[Edoardo Airoldi]

> hi all,
>  I am using optim.  I am getting the following error message:
>
> Error in optim(par = start.vals[, h], fn = post.func.pois, gr = post.grad.
> pois,  :
>         L-BFGS-B needs finite values of fn
>
> If I look at optim typing '> optim' it seems that the error comes from 
> inside .Internal(optim), so I wonder how can I see the code for .Internal(
> optim)?
>
> thanks
> Edo
>
>