PROBGAM Function

Returns the probability from a gamma distribution.

Category:	Probability
See:	CDF Function, PDF Function

Syntax

PROBGAM(x,a)

is a numeric random variable.

Range

x ≥ 0

is a numeric shape parameter.

Range

a > 0

The PROBGAM function returns the probability that an observation from a gamma distribution, with shape parameter a, is less than or equal to x.

The following SAS statement produces this result.

SAS Statement	Result
x=probgam(1,3);	0.0803013971