asa005

asa005, a Fortran77 code which evaluates the lower tail of the noncentral T distribution, by BE Cooper.

This is a version of Applied Statistics Algorithm 5.

Licensing:

The information on this web page is distributed under the MIT license.

Languages:

asa005 is available in a C version and a C++ version and a Fortran90 version and a MATLAB version and an Octave version and a Python version.

Related Data and Programs:

asa005_test

asa076, a Fortran77 library which evaluates the Owen's T function, needed to compute the CDF of the noncentral T distribution.

asa243, a Fortran77 library which evaluates the CDF of the noncentral T distribution.

owen, a Fortran77 library which evaluates Owen's T function.

Author:

Original Fortran77 version by BE Cooper; This version by John Burkardt.

Reference:

  1. BE Cooper,
    Algorithm AS 5: The Integral of the Non-Central T-Distribution,
    Applied Statistics,
    Volume 17, Number 2, 1968, page 193.

Source Code:

Last revised on 26 January 2008.