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

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

Calculation for the Sobel Test
- Interactive calculator performs tests of mediation in path analysis or structural equation models.
- http://www.unc.edu/~preacher/sobel/sobel.htm

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

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

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

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/

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/

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

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

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/

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

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/

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

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

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

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

Non Symmetrical Data Analysis
- Discusses methods of how to use structured information for multi-dimensional data analysis. From the University of Naples.
- http://www.dms.unina.it/nsda.html

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

The Interdisciplinary Inversion Group.
- The focus of the research is on statistical aspects of inverse problems. Courses, publications and other resources.
- http://www.math.auc.dk/~mbh/Interest/inverse.html

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

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

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

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

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/

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

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

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

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

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

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

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/

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

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