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Probabilities.PoissonCDFInv Function
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Poisson distribution point percent function (PPF).

Pascal
function PoissonCDFInv(p: double; Lambda: double): double; overload;
File
Parameters
Parameters 
Description 
p 
Probability, real value on closed interval [0,1]. 
Lambda 
Distribution parameter, real positive value. 
Returns

the Poisson distribution point percent function (PPF) for probability p using the parameter Lambda. Lambda must be positive and probability y must lie on the interval [0,1], otherwise the result is NAN.

Description

function PoissonCDF(x: integer; Lambda: single): single; overload;

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