R: Obtain Unweighted Natural Strata that Balance Many Covariates

# Obtain Unweighted Natural Strata that Balance Many Covariates

## Documentation for package ‘natstrat’ version 2.0.1

- DESCRIPTION file
- User guides, package vignettes and other documentation
- Package NEWS
- Package README

## Help Pages

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