Statistics

Interactive Statistical Calculations Page - Collection of over 300 links to web pages that perform statistical calculations.
http://statpages.org/

Chance Database Welcome Page - This data base contains materials designed help teach a Chance course or a more standard introductory probability or statistics course.
http://www.dartmouth.edu/~chance/

Statistics.com - Searchable database of statistical information and data sources on the internet.
http://www.statistics.com/

IRT Tutorial - Item Response Theory (IRT) tutorial from the University of Illinois, Urbana-Champaign Psychology Department.
http://work.psych.uiuc.edu/irt/tutorial.asp

Statistics Every Writer Should Know - Basic statistical concepts described in plain English. Designed for journalists or other beginners.
http://www.robertniles.com/stats/

Free Statistics - An index of free statistical software, data and resources.
http://freestatistics.altervista.org/

The World-Wide Web Virtual Library: Statistics - Well-organized, comprehensive list of web Statistics resources.
http://www.stat.ufl.edu/vlib/statistics.html

Statistical Inference on the TI-83/86/89 - Contains problems and solutions on general topics of probability distributions, confidence intervals, hypothesis testing, analysis of variance, and correlation analysis. Detailed survey sampling projects are also included.
http://www.wku.edu/~david.neal/statistics/

Statistical Methods for Rater Agreement - 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, and tetrachoric and polychoric correlations.
http://ourworld.compuserve.com/homepages/jsuebersax/agree.htm

Statistics to Use - Online statistics demos.
http://www.physics.csbsju.edu/stats/

Statistical Review - Free formulae of rules for the expectation of mean, variance, covariance, correlation coefficient, proofs available for purchase.
http://www.kaspercpa.com/statisticalreview.htm

Meta-Analysis - Handbook for the understanding and practice of Meta-Analysis.
http://www.media.it/meta

Statoo Resource links - Directory of statistical links, organized by specialty.
http://www.statoo.info/en/resources/anthill/

Statistics Resources - A collection of resources: software, FAQs, papers, books, links. Ranges from elementary to advanced. Compiled by Stephen Soldz.
http://soldzresearch.com/statisticsresources.htm

Protein Structure Theory Group - Analysis Tools - Online tool can be used to analyze frequency, equi-probability, general random, and point mutations.
http://bioinf.charite.de/equifreq/

Statistics on the Web - Clay Helberg's annotated list of statistical method resources on the web.
http://www.execpc.com/~helberg/statframes.html

Glossary of Statistical Terms - Explains trade words used in the field. Includes resource links.
http://dorakmt.tripod.com/mtd/glosstat.html

The Internet Glossary of Statistical Terms - 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.
http://www.animatedsoftware.com/statglos/statglos.htm

Biostatistics Resources on the World Wide Web - Links to departments, associations, data, software, teaching resources.
http://www.sph.emory.edu/bios/bioslist.html

Adaptive Designs - Describes adaptive statistical designs and their benefits, and some programs for optimizing and analyzing such designs.
http://www.eecs.umich.edu/~qstout/abs/Seattle97.html

Statistical Linkage Programs - Information about statistics for genetic analysis.
http://linkage.rockefeller.edu/wli/

Effect Size Calculator - On-line calculator for Cohen's d and r, presented by Lee A. Becker.
http://web.uccs.edu/lbecker/Psy590/escalc3.htm

Latent Class Analysis and Latent Class Models - Resource for applied researchers and statisticians interested in the statistical method, Latent Class Analysis.
http://ourworld.compuserve.com/homepages/jsuebersax

Advanced Statistics - Advanced statistics and optimization including Response and Yield Surface Modeling.
http://www.geocities.com/ecmaass/indexa.html

Virtual Laboratories in Probability and Statistics - Interactive, web-based resources for students and teachers of probability and statistics.
http://www.math.uah.edu/stat/

Second Moment - Academic research and resources for industry analysts and businesses interested in applying the latest statistical and analytical tools and technology.
http://www.secondmoment.org/

The Chart of the Week - Graphical display of social, economic, and political statistical data
http://lilt.ilstu.edu/gmklass/COW/

Analysis of Multiple Informant Data - Statistical methodology for the analysis of multiple informants/sources with applications to child psychopathology and gerontology.
http://www.biostat.harvard.edu/multinform

Latent Class Analysis - Directory of software for this statistical technique for modeling unmeasured categorical variables.
http://members.aol.com/KMarkus/lca.html

Power Analysis for ANOVA Designs - 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.
http://www.math.yorku.ca/SCS/Online/power/

StatiBot - An online system for finding statistical tests that would best suited to a specific dataset.
http://www.statibot.com/

Statistical Analysis - 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.
http://homepage.usask.ca/~rjb609/stats.html

SEMNET FAQ - Frequently asked questions about structural equation modeling.
http://www.gsu.edu/~mkteer/semfaq.html

History of the Monte Carlo Method - The Monte Carlo method provides approximate solutions to a variety of mathematical problems by performing statistical sampling experiments on a computer.
http://www.geocities.com/CollegePark/Quad/2435/

MediaChannel.org: Numbers Game - 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.
http://www.mediachannel.org/atissue/sample4/

Rainer's Home Page for Statisticians - 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.
http://ourworld.compuserve.com/homepages/Rainer_Wuerlaender/stathome.htm

Chebyshev's Inequality - Chebyshev's inequality with one-tailed and unimodal versions, putting statistical limits on the dispersion of probability distributions.
http://www.btinternet.com/~se16/hgb/cheb.htm

Statistics Resources - Sidney Tyrrell's Resources' page, part of the National Grid for Learning.
http://www.mis.coventry.ac.uk/~styrrell/resource.htm

Entropy in Science - Specializing in the uses of entropy in statistics and science.
http://www.math.uni-hamburg.de/home/gunesch/entropy.html

Research Randomizer - A free web-based service that offers instant random sampling and random assignment for researchers. Also has a user-friendly tutorial for students.
http://www.randomizer.org/

Spatial Aggregation - A framework for organizing computations around image-like, analogue representations of physical processes in data interpretation and control tasks.
http://www.cs.dartmouth.edu/~cbk/sal.html