build_cluster_map       Build a fallback sector-to-cluster map
choose_var_lag          Select optimal VAR lag order with multiple
                        criteria
compute_wedge           Construct the transformation wedge W = Phi - V
                        = K * G' - p
deltaR2_ou              Incremental R-squared from X in OU model
diagnose_data           Diagnose and prepare data matrices
estimate_DFM            Estimate Dynamic Factor Model with VAR dynamics
estimate_factor_OU      Estimate Factor Ornstein-Uhlenbeck / AR(1)
                        model (Stan if available)
make_X_innovations      Extract X innovations (reduced-form VAR
                        residuals)
placebo_values          Aggregate-preserving placebo values (negative
                        controls for gravitation)
plot_error_correction_panel
                        Plot error correction panel
read_cpi                Read CPI data from an Excel file
rescue_short_run_channel
                        Rescue short-run channel test
rotation_null_test      Null hypothesis test for X->Y factor coupling
row_norm1               Normalize matrix rows to sum to one
run_complete_factor_analysis_robust
                        Complete factor-OU convergence analysis
                        pipeline
run_convergence_robustness_tests
                        Run comprehensive robustness test suite
run_rotation_null_on_results
                        Run the coupling null test on complete analysis
                        results
select_optimal_components_safe
                        Select optimal number of PLS components with
                        cross-validation
test_cointegration_control
                        Classical cointegration control (Johansen trace
                        or eigen)
test_jackknife_sectors
                        Delete-one-sector jackknife of the X->Y
                        coupling
test_leave_cluster_out
                        Leave-cluster-out robustness of the X->Y
                        coupling
test_permutation_robustness
                        Permutation-based robustness test for X->Y
                        coupling
test_reweighting_robustness
                        Reweighting-based robustness test
to_num_commas           Convert localized number strings to numeric
visualize_factor_dynamics
                        Visualize factor dynamics comprehensively
visualize_factor_dynamics_simple
                        Simple factor dynamics visualization
wedge_stationarity      Per-sector and panel stationarity /
                        mean-reversion of the wedge
