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bobyqa
2012 Apr 14
0
R-help: Censoring data (actually an optim issue
...NA 0.11 BFGS
1 0.0005130808 0.57 NM
There were 50 or more warnings (use warnings() to see the first 50)
>
Note the Hessian eigenvalues are pretty bad. And the warnings are the NaN's produced.
This is with just the 2 default methods. When I tried "all.methods", one (uobyqa) seemed
to lock up. This is a fairly ill-conditioned problem.
Best, JN
On 04/14/2012 06:00 AM, r-help-request at r-project.org wrote:
> Message: 13
> Date: Fri, 13 Apr 2012 03:54:43 -0700 (PDT)
> From: Christopher Kelvin <chris_kelvin2001 at yahoo.com>
> To: "r-help at r-...