| AR_test | Anderson Rubin Test |
| eff_F | Effective F |
| gsz | Data from GSZ (2016) |
| gsz_south | Data from GSZ (2016): Subsample |
| ivDiag | Omnibus Function for IV Estimation and Diagnostics |
| ltz | Local-to-Zero Test |
| plot_coef | Plot OLS and IV Coefficents |
| plot_ltz | Visualizing Local-to-Zero Adjustment |
| rueda | Data from Rueda (2017) |
| tF | Valid t-Ratio Procedure |