Biostatistics Resources

Below is a list of biostatistics resources on the web that may be useful to ICTS investigators.

Statistical Software Links

The SAS Corporation www.sas.com

Insightful Corporation (S-Plus) www.insightful.com

R www.r-project.org

SPSS www.spss.com

Stata www.stata.com

Power and Sample Size Calculators

Vanderbilt: PS http://biostat.mc.vanderbilt.edu/twiki/bin/view/Main/PowerSampleSize

UIOWA: Russ Lenth’s power and sample size page http://www.stat.uiowa.edu/~rlenth/Power/

Harvard: Statistical considerations for clinical trials and scientific experiments http://hedwig.mgh.harvard.edu/sample_size/size.html

UCLA: Data analysis examples http://www.ats.ucla.edu/stat/sas/dae/

Other Links

American Statistical Association (ASA) www.amstat.org

CTSpedia: A Knowledge Base for Clinical and Translational Sciences http://ctspedia.org