Re: [Rd] tcltk capability

2012-09-27 Thread Gabor Grothendieck
On Thu, Sep 27, 2012 at 2:18 PM, Paul Johnson wrote: > Sorry I did not see this sooner. Response below: > > On Thu, Aug 30, 2012 at 2:48 PM, Gabor Grothendieck > wrote: >> There are quite a few packages that make use of tcltk and although >> >> - most R distributions have tcltk capability >> - i

Re: [Rd] tcltk capability

2012-09-27 Thread Paul Johnson
Sorry I did not see this sooner. Response below: On Thu, Aug 30, 2012 at 2:48 PM, Gabor Grothendieck wrote: > There are quite a few packages that make use of tcltk and although > > - most R distributions have tcltk capability > - its possible to query this via capabilities()[["tcltk"]] > - attem

[Rd] non-differentiable evaluation points in nlminb(), follow-up of PR#15052

2012-09-27 Thread Sebastian Meyer
This is a follow-up question for PR#15052 There is another thing I would like to discuss wrt how nlminb() should proceed with NAs. The question is: What would be a successful way to deal with an evaluation point of the objective function