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A set of functions to calculate sample size for twosample difference in means tests. Does adjustments for either nonadherence or variability that comes from using data to estimate parameters.
Package details 


Author  Michael P. Fay <[email protected]> 
Maintainer  Michael P. Fay <[email protected]> 
License  GPL3 
Version  1.1 
Package repository  View on CRAN 
Installation 
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