BETA Function

Returns the value of the beta function

Category: Mathematical

Syntax

BETA ( a , b )

Arguments

a

• is the first shape parameter, where a >0.

b

• is the second shape parameter, where b >0.

Details

The BETA function is mathematically given by the equation

with a >0, b >0. It should be noted that

where “ ( _- ) is the gamma function.

If the expression cannot be computed, BETA returns a missing value.

Examples

SAS Statements	Results
x=beta(5,3);	0.9523809524e-2

See Also

Function:

• 'LOGBETA Function' on page 636