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Re: finding confidence interval in spectral analysis ( something similar to chi2conf.m in matlab) [message #77846]

Mon, 03 October 2011 22:38

Craig Markwardt
Messages: 1869
Registered: November 1996

Senior Member

On Oct 3, 11:02 am, sajan_unb <sajanmush...@gmail.com> wrote:
> Hello All,
>
> I was trying to get a program which would get me the confidence
> intervals for a power spectrum in IDL..There is a program in matlab
> which does that( chi2conf.m which is called by psd.m). These programs
> in matlab were written in 1996 so I am assuming IDL has similar
> programs too.
>
> Does any one have an idea about those programs or any other method of
> getting the confidence intervals in IDL..well other than re writing
> the matlab codes in IDL :)..

If you are looking for confidence limits on chi-square variables, then
you are probably looking for the standard IDL function "CHISQR_CVF"

Craig

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Re: finding confidence interval in spectral analysis ( something similar to chi2conf.m in matlab)

By: Craig Markwardt on Mon, 03 October 2011 22:38

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