| addpi | Plots of piFunction |
| genPerms | Generate Treatment Permutations |
| getVar | Compute Propensity Score Variance |
| pba | Propensity-Biased Allocation |
| pbaAgain | Propensity-Biased Allocation |
| pcr | Propensity-Constrained Randomization |
| piFunction | Get PBA Treatment Probability |
| plotpi | Plots of piFunction |