FITTABILITY_THRESHOLD   Fittability threshold
LAM_GRID_DEFAULT        Default lambda grid
fit_ppsynth             Fit the partial-pooling synthetic control
                        (matrix interface)
germany_panel           German reunification panel
placebo_inference       Whole-pipeline placebo inference (matrix
                        interface)
plot.ppsynth            Plot a ppsynth fit
ppsynth                 Partial-pooling synthetic control with multiple
                        outcomes
ppsynth_selftest        Run the ppsynth self-tests
ppsynth_test_panel      Small simulated test panel
print.ppsynth           Print a ppsynth fit
