Thread Subject: Chi-test distribution

Subject: Chi-test distribution

From: Erez Livneh

Date: 1 Jan, 2009 14:48:02

Message: 1 of 2

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Hi Matlabers,

How do I get one-tailed probability of the Chi-test distribution?
I require the same function as the CHIDIST function in Excel.

Thanks and Happy New Year!
Erez

Subject: Chi-test distribution

From: John D'Errico

Date: 1 Jan, 2009 16:11:02

Message: 2 of 2

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"Erez Livneh" <erezliv@gmail.com> wrote in message <gjil32$n92$1@fred.mathworks.com>...
> Hi Matlabers,
>
> How do I get one-tailed probability of the Chi-test distribution?
> I require the same function as the CHIDIST function in Excel.
>
> Thanks and Happy New Year!
> Erez

I've never heard of the Chi-test distribution.
Perhaps you are thinking of this instead?

help chi2inv
 CHI2INV Inverse of the chi-square cumulative distribution function (cdf).
    X = CHI2INV(P,V) returns the inverse of the chi-square cdf with V
    degrees of freedom at the values in P. The chi-square cdf with V
    degrees of freedom, is the gamma cdf with parameters V/2 and 2.
 
John

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