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Re: NonlinearRegress with weight

  • To: mathgroup at
  • Subject: [mg69062] Re: NonlinearRegress with weight
  • From: dh <dh at>
  • Date: Tue, 29 Aug 2006 03:25:49 -0400 (EDT)
  • References: <ec65ja$1gj$>
  • Sender: owner-wri-mathgroup at

Hi Sctott,
I can not reproduce your problem. May be you should post an example.

sguthery at wrote:
> I'm using NonlinearRegress with weights.  The weights are strictly
> monotonic.  When I run NonlinearRegress with them monotonically
> decreasing it runs just fine.  But if I run NonlinearRegress with the
> weights (and the data) reversed; i.e. the weights being monotonically
> increasing, NonlinearRegress crashes.
> Is this reasonalble behavior?  I had expected the same answer
> regardless of the order of the weights and the data.
> Thanks for any insight.
> Cheers, Scott

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