samplesizeestimator: Calculate Sample Size for Various Scenarios
Calculates sample size for various scenarios, such as sample size
to estimate population proportion with stated absolute or relative
precision, testing a single proportion with a reference value, to estimate
the population mean with stated absolute or relative precision, testing
single mean with a reference value and sample size for comparing two
unpaired or independent means, comparing two paired means, the sample size
For case control studies, estimating the odds ratio with stated precision,
testing the odds ratio with a reference value, estimating relative risk with
stated precision, testing relative risk with a reference value, testing
a correlation coefficient with a specified value, etc.
<https://www.academia.edu/39511442/Adequacy_of_Sample_Size_in_Health_Studies#:~:text=Determining%20the%20sample%20size%20for,may%20yield%20statistically%20inconclusive%20results.>.
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