Links to external statistics web sites

Journals

• StatsWeb
  Statistical Journals including RSS

Glossary of statistical terms

• http://www.conceptstew.co.uk/PAGES/freeresources2.html
  Definitions of statistics jargon

Books

• http://www.rateragreement.com
  Statistical Methods for Rater Agreement, by John Uebersax

  http://www2.chass.ncsu.edu/garson/pa765/statnote.htm
  Statnotes: Topics in Multivariate Analysis An Online Textbook, by G. David Garson

Issues

• http://www.uoregon.edu/~robinh/analysis.html
  Robin High's Data Analysis pages, including discussions of zeros in contingency tables

  http://www.lrdc.pitt.edu/Schunn/SSB/index.html
  Statistical Significance Bars (Schunn)

  http://www.minitab.com/resources/whitepapers/burril2.htm
  Modeling and Interpreting Interactions in Multiple Regression (Donald F. Burrill)

  http://www.creative-wisdom.com/computer/sas/collinear_orthogonalization.htm
  Multi-collinearity Variance Inflation and Orthogonalization in Regression (Dr. Chong-ho (Alex) Yu)

  http://www.lsp.ups-tlse.fr/Projet_QS/index.html
  Quasi-symmetry site, based on Caussinus (1966)

  http://archneur.ama-assn.org/issues/v58n5/ffull/nlt0501-2.html
  The use and abuse of correlation coefficients. This link seems broken (July 2006) http://archneur.ama-assn.org/cgi/content/extract/58/5/833 contains a summary of this article.

  http://faculty.vassar.edu/lowry/rho.html
  Confidence Intervals for the correlation coefficient

  http://luna.cas.usf.edu/~mbrannic/files/regression/regma.htm
  Explanation of multiple regression using matrix algebra

  http://www.theanalysisfactor.com/
  Karen Grace-Martin covers assumptions and interpretations of many statistical tests (including AN(C)OVAs and random effect models on her website called The Analysis Factor.

Software

• http://www.gnu.org/software/pspp/
  This is a free version of SPSS called PSPP which claims to perform descriptive statistics, T-tests, anova, linear and logistic regression, cluster analysis, factor analysis, non-parametric tests and more.

  http://www.presidion.com/academic-portal
  Free student registration to look at youtube videos of how to use and interpret all the statistical methods available in SPSS. To access the full site you need to send proof to Presidion who manage SPSS academic licences of 'lecturer' status to presidion e.g. link to a web page with that information, some documentation from the college, email from head of department etc. irene.garcia@presidion.com or sara.carr@presidion.com are contacts (as of February 2015).

  http://calculators.stat.ucla.edu/
  Free (on-line or downloadable) software with a spreadsheet interface for most common statistical analyses including Fisher's Exact test and between subjects ANOVA (click on Statistical Analysis)

  http://www.statisticshell.com/html
  Andy Field has produced some free downloadable lecture notes on a large variety of statistical procedures including AN(C)OVAs, Factor analysis, regression, descriptive statistics and many more in an accessible style with traces of dark humour. Based upon his SPSS, SAS and R statistics books for students. There are also introductory, intermediate and advanced notes.

  http://franz.stat.wisc.edu/pub/NLME/
  NLME: Software for mixed-effects models (Pinheiro and Bates)

  http://www.octave.org/
  Octave - GNU Matlab-lookalike

  http://www.math.yorku.ca/SCS/Online/power/
  Power analysis for ANOVAs

  http://www.stat-help.com/spreadsheets.html
  A variety of EXCEL spreadsheet programs. The effect size calculators in the 'Meta-analysis' section are particularly worth a look.

  http://www.sagebrushpress.com/PEPI/
  Computer Programs for Epidemiologic Analyses: PEPI v. 4.0 J.H. Abramson and P.M. Gahlinger

  http://www.swin.edu.au/victims/resources/software/software.html
  Downloadable software for computing some Effect Sizes such as Cohen's d which can be used as input for power computations.

  http://www.mc.vanderbilt.edu/prevmed/ps/
  Power analysis for many statistics including Regressions and Survival Analysis (downloadable software by William D. Dupont and Walton D. Plummer, Jr.)

  http://www.aprendelo.com/rec/power-calculator.html
  Power Calculators

  http://www.stat.uiowa.edu/~rlenth/Power/
  More power calculator Java applets (Russell Lenth)

@article{Lenth2001AmericanStatistician,
  author = {Lenth, R V},
  year = {2001},
  title = {{S}ome {P}ractical {G}uidelines for effective sample size determination.},
  journal = {{T}he American Statistician}, 
  volume = {55},
  number = {3},
  pages = {187-193}}

• http://pages.infinit.net/rlevesqu/Macros.htm
  Raynald Levesque's website has various SPSS syntax and macros mainly by him.

  http://pspp.michelboaventura.com/en/downloads-2/?lang=en
  Free open-source version of SPSS that performs descriptives, t-tests, regressions and non-parametric tests. There is a user manual available from http://www.gnu.org/software/pspp/manual/html_node/Concept-Index.html
  

  http://www2.jura.uni-hamburg.de/instkrim/kriminologie/Mitarbeiter/Enzmann/Software/Enzmann_Software.html
  Dirk Enzmann has written a collection of stand-alone programs, SPSS, R and EXCEL macros to perform a variety of tasks including comparisons of standardised regression coefficients (stand-alone software) and interaction plots (in EXCEL).

  http://www.spss.com/spss/data_management_book.htm
  Raynald Levesque has co-authored this downloadable SPSS syntax guide. Note that python can only be used in SPSS Version 14.0 and above.

  http://www.john-uebersax.com/stat/index.htm
  Latent Class Analysis (John Uebersax)

  https://pls-institute.wistia.com/projects/u1hezln5xe
  Freeware for performing Partial Least Squares analysis (suggested by Geoffrey Hubona)

  https://www.ibm.com/developerworks/mydeveloperworks/groups/service/html/communityview?communityUuid=ab16c38e-2f7b-4912-a47e-85682d124d32
  SPSS Programming and Data Management Manual (pdf)

  http://www.graphpad.com/quickcalcs/grubbs2.cfm
  Outlier detection tool using Grubb's Test

  http://pngu.mgh.harvard.edu/~purcell/gpc/
  Genetic Power Calculator (Sean Purcell and P C Sham)

@article{Purcell2004Bioinformatics,
  author = {Purcell, S and Cherny, S S and Sham, P C},
  year = {2003},
  title = {{G}enetic {P}ower {C}alculator: design of linkage and association genetic mapping studies of complex traits.},
  journal = {{B}ioinformatics}, 
  volume = {19},
  number = {1},
  pages = {149-150}}

Groups

• http://www.spssusers.co.uk
  Details of the SPSS Users' Group

Stats Help

• http://www.kcl.ac.uk/iop/depts/biostatistics/SAS/index.aspx
  Kings College London Statistics Advisory Service

  http://stats.stackexchange.com/
  Cross Validated R users on-line help list

  https://mailman.ucsd.edu/mailman/listinfo/ling-r-lang-l
  The ling-r-lang-L list is fairly active with questions that are mostly about analysis of psycholinguistic data

  https://www.r-project.org/mail.html
  A list of R e-mailing lists where help on a range of aspects of R may be sought

  http://stackoverflow.com/
  R users forum

Miscellany

• http://www.workjoke.com/projoke48.htm
  Jokes about statistics and statisticians

  http://xkcd.com/795/
  Cartoons about statistics

  http://www.youtube.com/watch?v=JS9GmU5hr5w
  The Statz Rap!

  http://students.brown.edu/seeing-theory/
  'Seeing theory' - A visual intro to stats

More of the same are here

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These pages are maintained by Ian Nimmo-Smith and Peter Watson

[Last updated on 7 July 2006]