
• “LOGSDF Function” on page 671
• “PDF Function” on page 749
• “SDF Function” on page 893
PROBGAM Function
Returns the probability from a gamma distribution.
Category: Probability
See: “CDF Function” on page 288, “PDF Function” on page 749
Syntax
PROBGAM(x, a)
Required Arguments
x
is a numeric constant, variable, or expression that specifies the value of a random
variable.
Range
x ≥ 0
a
is a numeric constant, variable, or expression that specifies the shape parameter.
Range
a > 0
Details
The PROBGAM function returns the probability that an observation from a gamma
distribution, with shape parameter a, is less than or equal to x.
Example
The following SAS statement ...