Optimal Stratification in Stratified Sampling R package stratbr version 1.2 An Optimization Algorithm Applied to Stratification Problem.This function aims at constructing optimal strata with an optimization algorithm based on a global optimisation technique called Biased Random Key Genetic Algorithms. Software Depends: Rglpk,snowfall,stratification Jose Brito <jambrito@gmail.com> Comprehensive R Archive Network (CRAN) Jose Brito, Pedro Silva and Tomas Veiga GPL-2 2017-05-26 application/tgz https://CRAN.R-project.org/package=stratbr doi:10.32614/CRAN.package.stratbr