Fortran code by Forrest W. Young for multidimensional scaling.

Fortran 77 programs and Windows binaries by M. T. Boswell to generate random numbers and compute the cumulative and inverse cumulative distribution functions for several statistical distributions.

Fortran 77 statistical library by James Filliben.

Fortran 77 code for statistics by Charlie Reeve, covering probability distributions, random number generation, least-squares calculations, and other topics.

A program for multifactor relative risks, confidence limits, and tests of hypotheses using regression coefficients and a variance-covariance matrix obtained from a previous additive or multiplicative regression analysis. By Leif E. Peterson, with acco...

Poisson Iteratively Reweighted Least Squares Program for Additive, Multiplicative, Power, and Non-linear Models, by Leif E. Peterson, Journal of Statistical Software v2 (1997).

Fits a mixture model of multivariate normal or t-distributions to a user supplied data set via the EM algorithm. By Geoff McLachlan.

Program for canonical community ordination by [partial] [detrended] [canonical] correspondence analysis, principal components analysis and redundancy analysis. [Commercial]

Fortran 90 code by Michael Schulz and Manfred Mudelsee to estimate red-noise spectra directly from unevenly spaced time series, without requiring interpolation.

Fortran subroutines for calculating smoothing splines for various kinds of data and geometries, with automatic knot selection.