[R] nls convergence problem

Earl F. Glynn efg at stowers-institute.org
Tue Aug 15 23:50:18 CEST 2006

"Berton Gunter" <gunter.berton at gene.com> wrote in message 
news:007c01c6c0ae$fd260e50$711f210a at gne.windows.gene.com...
>>   Or, maybe there's something I don't understand about the
>> algorithm being used.
> Indeed! So before making such comments, why don't you try to learn about 
> it?
> Doug Bates is a pretty smart guy,  and I think you do him a disservice 
> when
> you assume that he somehow overlooked something that he explicitly warned
> you about. I am fairly confident that if he could have made the problem go
> away, he would have. So I think your vent was a bit inconsiderate and
> perhaps even intemperate. The R Core folks have produced a minor miracle
> IMO, and we should all be careful before assuming that they have 
> overlooked
> easily fixable problems. They're certainly not infallible -- but they're a
> lot less fallible than most of the rest of us when it comes to R.

I meant no disrespect to Doug Bates or any of the R Core folks. I thought 
what I wrote had a "neutral" tone and was respectful.  I am sorry if anyone 
was offended by my comments and suggestions.  I am certainly thankful for 
all the hard work that has gone into developing R.


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