S-Plus

S-Plus is a commercial statistics program produced by Insightful built on S from AT&T Bell Laboratories.

Documentation

Frequently Asked Questions. This document is no longer maintained but is still useful. ETH Zurich.
Statlib S-News Archive. A large and well known depository for user contributed libraries of S-Plus functions.
Selections from S-News. Georges Monette, York University.
Notes on S-Plus by Bill Venables. Erik Moledor, Duke University.
Burns Statistics. A consulting company site which includes considerable tutorial material on S and R. See for example the book "S Poetry". Patrick Burns.

General Repositories

Statlib S Archive. Large collection of S functions by many authors. Carnegie-Mellon University.

Specialist Repositories

Modern Applied Statistics with S-Plus. Download the latest version of the MASS library of S functions. Bill Venables, University of Adelaide and Brian Ripley, University of Oxford.
Additive Survival Analysis. Harald Fekjaer, University of Oslo.
Applied Smoothing Techniques for Data Analysis by Adrian Bowman and Adelchi Azzalini. Data sets and S-Plus functions. Adrian Bowman, University of Glasgow.
Design and HMisc Libraries. Includes over 200 functions or ordinal logistic regression, survival etc etc. Versions for Windows 95 and Unix. Frank Harrell, University of Virginia.
Dynamic Systems Estimation Library. A collection of S software functions for time series analysis. Paul Gilbert, Bank of Canada.
NLME. Software for mixed-effects models. Includes nonlinear models and a function which is similar to PROC MIXED in SAS. José Pinheiro and Douglas Bates, University of Wisconsin.
NLS2. Splus functions for non-linear regression. Includes modelling of the variance. National Institut of Agronomical Research, France.
Oswald. Object oriented software for the analysis of longitudinal data in S-plus. Statistics Group, University of Lancaster.
Qtoolbox. A library of over 250 S-PLUS functions related to quality improvement developed by members of the Quality Improvement Group, CSIRO Division of Mathematics and Statistics, Australia. Although primarily a collection of SPC software, the scope is wider than that normally associated with that three letter acronym. Allan Adolphson, CSIRO.
StatMod. S-Plus functions for residual analysis and dispersion modelling in generalized linear models, robust frequency estimation etc. Gordon Smyth, Walter and Eliza Hall Institute of Medical Research.
Time Series Protocol for Application-Database Interface. A standardized protocol for communication between application programs and databases. Includes software for an S-Plus client. Paul Gilbert, Bank of Canada.
Trellis Graphics. Data sets, scripts and case studies for Trellis Graphics and the corresponding book Visualizing Data by William S. Cleveland. Rick Becker, Bill Cleveland, Linda Clark, Bell Laboratories.
WaveThresh. Wavelet transformations and inverses. Guy Nason, University of Bristol.