PROBCHI Function

Arguments

x

is a numeric random variable.

Range:

x 0

df

is a numeric degrees of freedom parameter.

Range:

df > 0

nc

is an optional numeric noncentrality parameter.

Range:

nc 0

The PROBCHI function returns the probability that an observation from a chi-square distribution, with degrees of freedom df and noncentrality parameter nc, is less than or equal to x. This function accepts a noninteger degrees of freedom parameter df. If the optional parameter nc is not specified or has the value 0, the value returned is from the central chi-square distribution.

x=probchi(11.264,11);

0.5785813293

Copyright © 2011 by SAS Institute Inc., Cary, NC, USA. All rights reserved.