UMEM Educational Pearls

Title: Research Pearl - Free Statistics Software

Category: Misc

Keywords: sample size calculation, biostatistics (PubMed Search)

Posted: 7/25/2024 by Mike Witting, MD (Updated: 11/22/2024)
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Free Biostatistics Software Options

EpiCalc 2000 – available for Windows. Capabilities include sample size calculation, inferential statistics (p values, 95% CI), simple stratified analysis, paired and independent analyses. Right clicking allows you to do many things. (http://www.brixtonhealth.com/epicalc.html). I've had the most experience with this one.

Epi Info – supported by CDC. Available for Windows and for hand-held. (https://www.cdc.gov/epiinfo/index.html)

P/S – Power and Sample Size Calculation – available for Mac and Window. Supported by Vanderbilt biostatistics. (https://biostat.app.vumc.org/wiki/Main/PowerSampleSize)

References

Epicalc: http://www.brixtonhealth.com/epicalc.html

Epi Info: https://www.cdc.gov/epiinfo/index.html

P/S: https://biostat.app.vumc.org/wiki/Main/PowerSampleSize