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Probabilities.ChiSquareCDFInv Function
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Chi-squared distribution point percent function (PPF).

Pascal
function ChiSquareCDFInv(p: double; Nu: Integer): double; overload;
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Returns

the Chi-squared distribution point percent function (PPF). The parameter Nu (degrees of freedom) must be a positive integer and the probability y must lie on the interval [0,1], otherwise the result is NAN.

Description

The Chi-squared PPF is defined by the following equation: 

 

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