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inclusionprobastrata(strat,nh)
balancedstratification
# the strata strata=c(1,1,1,1,1,2,2,2,2,2,2,3,3,3,3,3,3,3) # sample size in each stratum nh=c(2,3,3) inclusionprobastrata(strata,nh)
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