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
