.onAttach               Subsidiary hbal Function
att                     Estimating the ATT from an hbal object
contenderJudges         Data from Black and Owens (2016)
covarExclude            Match Column Names to be Excluded
covarExpand             Serial Expansion of Covariates
crossValidate           Ridge Penalty Selection through Cross
                        Validation
doubleSelection         Double Selection
hbal                    Hierarchically Regularized Entropy Balancing
hbal-data               Data from Black and Owens (2016) and Hazlett
                        (2020)
lalonde                 Data from Hazlett (2020)
plot.hbal               Plotting Covariate Balance from an 'hbal'
                        Object
summary.hbal            Summarizing from an 'hbal' Object
updateCoef              Update lambda
