| check_data | Validate CIC Input Data |
| check_support | Check Support Condition |
| cic | Changes-in-Changes Estimator |
| loo_donors | Leave-One-Out Donor Analysis |
| plot.sc_cic | Plot Pre-treatment Fit for SC-CIC |
| plot_distributions | Plot Counterfactual Distribution |
| plot_qq | Q-Q Plot of Treated vs Synthetic Control (Pre-treatment) |
| plot_qte | Plot Quantile Treatment Effects |
| quantile_te | Compute Quantile Treatment Effects |
| sc_cic | Synthetic Control Changes-in-Changes Estimator |
| sc_weights | Extract Synthetic Control Weights |
| sensitivity_alpha | Sensitivity Analysis for SC-CIC |
| simulate_sccic | Simulation Study for SC-CIC |
| summarize_simulation | Summarize simulation results |