| cat_att_equation | Show ATT contrast implied by CAT nodes and design |
| cat_balance_plot | Love plot for balance |
| cat_balance_table | Standardized mean differences across CAT nodes or design groups |
| cat_counts | Count observations or units per node |
| cat_design_csdid | Blueprint for Callaway-Sant'Anna DiD Tree (Staggered Adoption) |
| cat_design_ddd | Blueprint for Difference-in-Difference-in-Differences Tree |
| cat_design_did | Blueprint for 2x2 Difference-in-Differences Tree |
| cat_diag | General diagnostic helper for CAT specifications |
| cat_event_table | Count treated and control observations by event time |
| cat_label | Label CAT nodes with cohort letters and canonical g labels |
| cat_plot_csdid | Plot CSDiD Causal Assignment Tree (IMPROVED - No Cut-offs) |
| cat_plot_ddd | Plot DDD-style Causal Assignment Tree (cohorts x subgroup) - IMPROVED VERSION |
| cat_plot_did | Plot 2x2 DID Causal Assignment Tree (IMPROVED - No Cut-offs) |
| cat_plot_tree | Plot a Causal Assignment Tree (unified interface) |
| cat_pt_csdid | CSDiD parallel-gaps diagnostic |
| cat_pt_drddd | DR-DDD pretrend diagnostic: subgroup means in pre-periods |
| cat_save_png | Save a CAT ggplot as a high-quality PNG |
| cat_spec | Build a Causal Assignment Tree specification |
| generate_cohort_labels | Generate cohort labels with letters |