Obtain Unweighted Natural Strata that Balance Many Covariates


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Documentation for package ‘natstrat’ version 2.0.0

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check_balance Check covariate balance of the control and treated groups
create_dist_matrix Create matrix of distances between strata
generate_constraints Generate constraints to encourage covariate balance
generate_qs Calculate desired number of controls per stratum
nh0506 Homocysteine and smoking example data
nh0506_3groups Homocysteine and smoking example data with multiple control groups
optimize_controls Select control units that optimize covariate balance
stand Standardize covariate vector for balance constraint