An on-line text book of statistics for researchers in biomedical and other empirical sciences.

Describes adaptive statistical designs and their benefits, and some programs for optimizing and analyzing such designs.

Advanced statistics and optimization including Response and Yield Surface Modeling.

Allstat is a UK-based worldwide e-mail broadcast system for the statistical community, operated by CTI Statistics and maintained by Dr Stuart G Young.

Statistical methodology for the analysis of multiple informants/sources with applications to child psychopathology and gerontology.

Links to departments, associations, data, software, teaching resources.

A condensed handbook in encyclopedic format, covering subjects in statistics, computing, analysis and related fields. In HTML: a printed version is available.

Interactive calculator performs tests of mediation in path analysis or structural equation models.

This data base contains materials designed help teach a Chance course or a more standard introductory probability or statistics course.

Chebyshev's inequality with one-tailed and unimodal versions, putting statistical limits on the dispersion of probability distributions.

Calculators, plotters, and random number generators for pdf and cdf of the common continuous and discrete probability distributions.

A full-length and occasionally interactive statistics textbook on the web.

Requires subscription. Free access to records of 'The American Statistician', and records up to 1994.

On-line calculator for Cohen's d and r, presented by Lee A. Becker.

Specializing in the uses of entropy in statistics and science.

A collection of experimental designs that a statistical practicioner may find useful.

An index of free statistical software, data and resources.

Explains trade words used in the field. Includes resource links.

The Monte Carlo method provides approximate solutions to a variety of mathematical problems by performing statistical sampling experiments on a computer.

An introductory-level hypertext statistics book.

Introductory hypertext statistics book. Each chapter contains links to related materials including educational demos and web-based statistical analysis programs.

Collection of over 300 links to web pages that perform statistical calculations.

Open source of articles about statistics. Indexed by date, author, title and keyword. PDF,PS.

Item Response Theory (IRT) tutorial from the University of Illinois, Urbana-Champaign Psychology Department.

Scientific resources for item response theory approaches to measurement.

Directory containing resources related to knowledge and information discovery from data.

Directory of software for this statistical technique for modeling unmeasured categorical variables.

Resource for applied researchers and statisticians interested in the statistical method, Latent Class Analysis.

Large, well-organized, multi-level directory of Statistics links by Diego Kuonen.

The media's use of statistics in a culture where public policy is often based on "scientific" findings is more than a topic for journalism-school debates. Links to in-depth articles from a variety of perspectives.

Handbook for the understanding and practice of Meta-Analysis.

Overview, links to relevant documents and resources, and free software.

2 day course for overview of computer-based regression and classification.

Discusses methods of how to use structured information for multi-dimensional data analysis. From the University of Naples.

A site about Parrando's paradox: alternating two losing games yield a winning game.

On-line demonstration which runs an SAS program that calculates power or sample size needed to attain a given power for one effect in a factorial ANOVA design.

Returns distribution values based on on-line user input for many common statistical distributions.

Information and links on WWW servers in Statistics, mailing lists and newsgroups, statistical associations and departments, statistical software, miscellaneous, statistical quotes, and a directory of professional statisticians worldwide.

This book helps people become better able to decipher and critique statistically-based research reports.

A free web-based service that offers instant random sampling and random assignment for researchers. Also has a user-friendly tutorial for students.

By Frank Kelly, University of Cambridge. Full text of this book now available for download in PDF and DjVu formats.

Second Moment is a dynamic site for showcasing cutting edge academic research and a resource for industry analysts and businesses interested in applying the latest statistical and analytical tools and technology.

Frequently asked questions about structural equation modeling.

Electronic reprint of the classical textbook on improving quality and productivity in research, development, and manufacturing.

A framework for organizing computations around image-like, analogue representations of physical processes in data interpretation and control tasks.

This site provides links to many pages with primary or secondary relevance to spatial statistics.

An online system for finding statistical tests that would best suited to a specific dataset.

Principles of mixed model analysis. Includes discussion of REML estimation of variances, BLUEs and BLUPs, fixed and random effects, and inference space; with small examples.

Covers time series analysis, popular distributions, and the computer implementations.

Guides to statistical features of the TI-82/83 graphing calculators.

Information about statistics for genetic analysis.

An easy-to-use, form-based way of subscribing to and unsubscribing from a variety of statistical e-mail discussion lists.

Resources for researchers who want to analyze data on agreement among raters or diagnostic methods. Includes raw agreement indices, kappa coefficient, weighted kappa, latent class and latent trait models, tetrachoric and polychoric correlations, etc

Free formulae of rules for the expectation of mean, variance, covariance, correlation coefficient, proofs available for purchase.

Hierarchical directory of resources of interest to statisticians with special attention to Australia.

Basic statistical concepts described in plain English. Designed for journalists or other beginners.

Clay Helberg's annotated list of statistical method resources on the web.

Sidney Tyrrell's Resources' page, part of the National Grid for Learning.

Online statistics demos.

Searchable database of statistical information and data sources on the internet.

Graphical display of social, economic, and political statistical data

The focus of the research is on statistical aspects of inverse problems. Courses, publications and other resources.

Glossary of terms organized according to learning order for those unfamiliar with the subject, and also an alphabetical list for already familiar with statistical procedure.

This Electronic Statistical Textbook offers training in the understanding and application of statistics.

Well-organized, comprehensive list of web Statistics resources.