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Re: Problems getting CURVEFIT to work [message #32884 is a reply to message #32860]

Fri, 15 November 2002 15:22

Pavel A. Romashkin
Messages: 531
Registered: November 2000

Senior Member

Jonathan Greenberg wrote:
>
> Hello again Craig:
>
> You MPCURVEFIT function is terrific! I've started using it instead of
> CURVEFIT. One quick question, how does it deal with NaN values? I started
> including NaN values in my regressions, and I noticed some strange behavior
> from the output -- ideally it should just ignore the X,Y that has a NaN for
> the X value, but is this actually the case?

Aha! This handling of NANs is the only part I couldn't figure out why it
was not there.
All I do is filter my own data for NANs before fitting.
I guess Craig got distracted and didn't put WHERE(FINITE()) into his code...
And of course, the program is excellent. No question there.
Cheers,
Pavel

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[Message index]

		Problems getting CURVEFIT to work By: Jonathan Greenberg on Tue, 12 November 2002 15:24
		Re: Problems getting CURVEFIT to work By: Craig Markwardt on Fri, 15 November 2002 20:38
		Re: Problems getting CURVEFIT to work By: Pavel A. Romashkin on Fri, 15 November 2002 15:22

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