ASA152
Hypergeometric Probabilities.

ASA152 is a FORTRAN90 library which can compute the "point" or "cumulative" probabilities associated with the hypergeometric probability distribution, by Richard Lund.

ASA152 is Applied Statistics Algorithm 152.

Languages:

ASA152 is available in a C version and a C++ version and a FORTRAN90 version and a MATLAB version

Related Data and Programs:

DCDFLIB, a FORTRAN90 library which evaluates and inverts a number of statistical distributions.

GSL, a C++ library which includes many routines for evaluating probability distributions.

PROB, a FORTRAN90 library which evaluates and inverts a number of probabilistic distributions.

TEST_VALUES, a FORTRAN90 library which contains sample values for a number of distributions.

Author:

Original FORTRAN77 version by Richard Lund; FORTRAN90 version by John Burkardt.

Reference:

1. PR Freeman,
   Algorithm AS 59: Hypergeometric Probabilities,
   Applied Statistics,
   Volume 22, Number 1, 1973, pages 130-133.
2. Richard Lund,
   Algorithm AS 152: Cumulative hypergeometric probabilities,
   Applied Statistics,
   Volume 29, Number 2, 1980, pages 221-223.
3. BL Shea,
   Remark AS R77: A Remark on Algorithm AS 152: Cumulative hypergeometric probabilities,
   Applied Statistics,
   Volume 38, Number 1, 1989, pages 199-204.

Source Code:

• asa152.f90, the source code.

Examples and Tests:

• asa152_test.f90, a sample calling program.
• asa152_test.txt, the output file.

List of Routines:

• ALNFAC computes the logarithm of the factorial of N.
• ALNGAM computes Log(Gamma(X)).
• ALNORM computes the cumulative density of the standard normal distribution.
• CHYPER computes point or cumulative hypergeometric probabilities.
• HYPERGEOMETRIC_CDF_VALUES returns some values of the hypergeometric CDF.
• HYPERGEOMETRIC_PDF_VALUES returns some values of the hypergeometric PDF.
• TIMESTAMP prints out the current YMDHMS date as a timestamp.

You can go up one level to the FORTRAN90 source codes.