| biasbound | Worst-Case Bias Bound due to Incomplete Balance | 
| b_maxvarK | Maximum Variance of Gaussian Kernel Matrix | 
| dimw | Difference in Means and Difference in Weighted Means | 
| drop_multicollin | Drop Multicollinear Columns | 
| ebalance_custom | Modified version of ebalance (originally from Jens Hainmueller) | 
| getdist | L1 Distance | 
| getw | Find Weights using Entropy Balancing. | 
| kbal | Kernel Balancing | 
| lalonde | Data from National Supported Work program and Panel Study in Income Dynamics | 
| makeK | Build the Gaussian Kernel Matrix | 
| one_hot | One-Hot Encoding for Categorical Data |