Nothing
Compute power and sample size for linear models of longitudinal data. Supported models include mixedeffects models and models fit by generalized least squares and generalized estimating equations. Relevant formulas are derived by Liu and Liang (1997) <DOI:10.2307/2533554>, Diggle et al (2002) <ISBN:9780199676750>, and Lu, Luo, and Chen (2008) <DOI:10.2202/15574679.1098>.
Package details 


Author  Michael C. Donohue [aut, cre], Steve D. Edland [ctb] 
Maintainer  Michael C. Donohue <mdonohue@usc.edu> 
License  GPL (>= 2) 
Version  1.0.23 
URL  https://github.com/mcdonohue/longpower 
Package repository  View on CRAN 
Installation 
Install the latest version of this package by entering the following in R:

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