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Probabilities.FCDFInv Method (double, int, int)
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F distribution point percent function (PPF).

Syntax
C#
Visual Basic
public static double FCDFInv(double p, int Nu1, int Nu2);
Parameters
Parameters 
Description 
double p 
Probability, real positive value on closed interval [0,1]. 
int Nu1 
Defines distribution degrees of freedom. Nu1 must be a positive integer. 
int Nu2 
Defines distribution degrees of freedom. Nu2 must be a positive integer. 
Returns

the Fisher(F) distribution point percent function (PPF) for integer parameters Nu1 and Nu2 (degrees of freedom) at the probability y. Both Nu1 and Nu2 must be positive integer numbers and the probability p must lie on the interval [0,1], otherwise the result is NAN.

Remarks

The inverse F cumulative distribution function is defined by the following equation: 

 

See Also
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