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CDF

Returns the area from zero to x under the beta density.
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Dependents

Info

Interface

C++

CDF

 
doubleCDFdoublex
doublea
doubleb )[inline]
The CDF of the Beta distribution is identical to the regularized beta function:

where B(x; a, b) is the incomplete beta function and B(a, b) is the (complete) beta function.

An illustration is given below:
There is an error with your graph parameters for CDF with options x=0:1 a=2 b=1:5:5 .size=medium

Error Message:Function CDF failed. Ensure that: Invalid C++

References

Cephes Math Library Release 2.8: June, 2000

Parameters

xa quantile in the range of 0<=x<=1
afirst shape parameter, a >0
bsecond shape parameter, b >0
Source Code

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