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HierO is a graphical user interface (GUI) tool for calculating optimal statistical power and sample size for hierarchical data structure. HierO constructs a user defined sample size optimization problem to GAMS (General Algebraic Modeling System)form and uses Rneos package to send the problem to NEOS server for solving.
Package details 


Author  Kari Tokola 
Maintainer  Kari Tokola <[email protected]> 
License  GPL2 
Version  0.2 
Package repository  View on CRAN 
Installation 
Install the latest version of this package by entering the following in R:

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