# CoRpower: Power Calculations for Assessing Correlates of Risk in Clinical Efficacy Trials
`CoRpower` is an R package implementing power calculations described in *Gilbert PB, Janes HE, Huang Y. Power/sample size calculations for assessing correlates of risk in clinical efficacy trials. Statistics in Medicine. 2016;35(21):45-59.*

The vignette titled *Introduction to R Package CoRpower* describes in depth how to use the package.
