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Probabilities.PoissonCDF Method (int, double)
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Poisson cumulative distribution function (CDF).

Syntax
C#
Visual Basic
public static double PoissonCDF(int x, double Lambda);
Parameters
Parameters 
Description 
int x 
Function domain, positive integer or zero. 
double Lambda 
Distribution parameter, real positive value. 
Returns

the Poisson cumulative distribution function (CDF) for value x using the parameter Lambda. Lambda must be positive, otherwise the result is NAN.

Remarks

The Poisson cumulative distribution function is defined by the following equation: 

 

See Also
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