Overview of Power and Sample Size .com Calculators

We have 30 calculators. This is a quick-start guide.


These are the 5 literature citations used as references for our calculators:

Chow S, Shao J, Wang H. 2008. Sample Size Calculations in Clinical Research. 2nd Ed. Chapman & Hall/CRC Biostatistics Series.
Connor R. J. 1987. Sample size for testing differences in proportions for the paired-sample design. Biometrics 43(1):207-211.
Farrington CP. 1995. Relative incidence estimation from case series for vaccine safety evaluation. Biometrics 51:228-235.
Musonda, P, CP Farrington, HJ Whitaker. 2006. Sample sizes for self-controlled case series studies. Statistics in Medicine 25:2618-2631.
Rosner B. 2010. Fundamentals of Biostatistics. 7th Ed. Brooks/Cole.

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