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Re: Missing data and MPFITFUN [message #50935 is a reply to message #50926]

Mon, 23 October 2006 04:09

Allan Whiteford
Messages: 117
Registered: June 2006

Senior Member

googlegroups@higginsnet.com wrote:
> I'm trying to fit a function to a data set with many missing data
> points. E.g. (made up data:)
>
> x | y
> 0 2,3,6,7,7
> 1 3,4,5,NaN,8
> 2 2,NaN,5,7,NaN
>
> Having missing data values, or inserting NaN (where NaN =
> !VALUES.F_NAN), trips up MPFITFUN.
>
> Is there a way of saying to IDL "just ignore missing values"?
>

Set the weight of the missing data values to zero when doing the fit.

Thanks,

Allan

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[Message index]

		Re: Missing data and MPFITFUN By: googlegroups on Tue, 24 October 2006 06:51
		Re: Missing data and MPFITFUN By: David Fanning on Mon, 23 October 2006 07:54
		Re: Missing data and MPFITFUN By: Craig Markwardt on Mon, 23 October 2006 07:44
		Re: Missing data and MPFITFUN By: David Fanning on Mon, 23 October 2006 07:20
		Re: Missing data and MPFITFUN By: googlegroups on Mon, 23 October 2006 06:57
		Re: Missing data and MPFITFUN By: Allan Whiteford on Mon, 23 October 2006 04:09
		Re: Missing data and MPFITFUN By: Craig Markwardt on Sat, 28 October 2006 11:57

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