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Probabilities.StudentCDF Function
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Student cumulative distribution function (CDF).

Pascal
function StudentCDF(x: double; Nu: Integer): double; overload;
File
Parameters
Parameters 
Description 
x 
Function domain, real value. 
Nu 
Defines distribution degrees of freedom, positive integer. 
Returns

the Student cumulative distribution function for value x using the integer parameter Nu (degrees of freedom). Parameter Nu must be positive integer number, otherwise the result is NAN.

Description

function StudentPDF(x :single; Nu: Integer): single; overload;  

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

 

The result of StudentCDF is the probability that a single observation from the Student distribution with Nu degrees of freedom will fall in the interval (-infinity,x].

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