Re: [Rd] Suggestion for the optimization code

2008-08-09 Thread Ben Bolker
Mathieu Ribatet mathieu.ribatet at epfl.ch writes: Ok, please consider it as a bad call. Thanks for your answers. Best, Mathieu Well, I don't think it's a _bad_ call; I think the underlying wish (more flexibility in moving between existing optimizers without changing the objective

[Rd] Suggestion for the optimization code

2008-08-08 Thread Mathieu Ribatet
Dear list, Here's a suggestion about the different optimization code. There are several optimization procedures in the base package (optim, optimize, nlm, nlminb, ..). However, the output of these functions are slightly different. For instance, 1. optim returns a list with arguments

Re: [Rd] Suggestion for the optimization code

2008-08-08 Thread Duncan Murdoch
On 8/8/2008 8:56 AM, Mathieu Ribatet wrote: Dear list, Here's a suggestion about the different optimization code. There are several optimization procedures in the base package (optim, optimize, nlm, nlminb, ..). However, the output of these functions are slightly different. For instance,

Re: [Rd] Suggestion for the optimization code

2008-08-08 Thread Prof Brian Ripley
On Fri, 8 Aug 2008, Mathieu Ribatet wrote: Dear list, Here's a suggestion about the different optimization code. There are several optimization procedures in the base package (optim, optimize, nlm, nlminb, ..). However, the output of these functions are slightly different. For instance,

Re: [Rd] Suggestion for the optimization code

2008-08-08 Thread Robert Gentleman
Duncan Murdoch wrote: On 8/8/2008 8:56 AM, Mathieu Ribatet wrote: Dear list, Here's a suggestion about the different optimization code. There are several optimization procedures in the base package (optim, optimize, nlm, nlminb, ..). However, the output of these functions are slightly

Re: [Rd] Suggestion for the optimization code

2008-08-08 Thread Mathieu Ribatet
Ok, please consider it as a bad call. Thanks for your answers. Best, Mathieu Prof Brian Ripley a écrit : On Fri, 8 Aug 2008, Mathieu Ribatet wrote: Dear list, Here's a suggestion about the different optimization code. There are several optimization procedures in the base package (optim,