Re: [R] Gradients in optimx

Well, I guess this doesn't make necessary for me to prepare a report with the CatDyn package. However, I am available to test a new optimx R-forge version with my package. Cheers Rubén -- Dr. Ruben H. Roa-Ureta Senior Researcher, AZTI Tecnalia, Marine Research Division, Txatxarramendi Ugartea z

Re: [R] Gradients in optimx

I've started to work on this again, and can confirm there seems to be some sort of bug in the gradient test at the beginning of the current R-forge version of optimx. It is not something obvious, and looks like a mixup in arguments to functions, which have been an issue since I've been trying to

Re: [R] Gradients in optimx

Hi Reuben, I am puzzled to note that the gradient check in "optimx" does not work for you. Can you send me a reproducible example so that I can figure this out? John - I think the best solution for now is to issue a "warning" rather than an error message, when the numerical gradient is not suf