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Functions and CALL Routines

BETAINV Function



Returns a quantile from the beta distribution.
Category: Quantile

Syntax
Arguments
Details
Examples
See Also

Syntax

BETAINV (p,a,b)


Arguments

p

is a numeric probability.

Range: 0 [le] p [le] 1
a

is a numeric shape parameter.

Range: a > 0
b

is a numeric shape parameter.

Range: b > 0

Details

The BETAINV function returns the pth quantile from the beta distribution with shape parameters a and b. The probability that an observation from a beta distribution is less than or equal to the returned quantile is p.

Note:   BETAINV is the inverse of the PROBBETA function.  [cautionend]


Examples

SAS Statements Results
x=betainv(0.001,2,4);
0.0101017879


See Also

Functions:

QUANTILE Function

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