BestVCGsize             The function attempts to find the optimal size
                        for VCG.
VCG_sampler             VCG Sampler for Energy Distance Balancing
combine_data            Combine data from pool and treated groups
combine_variables       Compute Weighted Combined Score from Multiple
                        ariables
energy_distance         Compute Energy Distance Between Two Groups
energy_test             Permutation Energy Test for Covariate Imbalance
find_outliers           Find Outlier Groups Based on Energy Distance
multiSampler            Multi-Sample VCG Generator and Overlap
                        Visualization
plot_var                Visualize Covariate Distribution Across TG,
                        VCG, and POOL
robust_scale            Robust Scaling of Numeric and Categorical
                        Variables
