| npiv-package | Nonparametric Instrumental Variables Estimation and Inference |
| Engel95 | 1995 British Family Expenditure Survey |
| gsl.bs | GSL (GNU Scientific Library) B-spline/B-spline Derivatives |
| gsl.bs.default | GSL (GNU Scientific Library) B-spline/B-spline Derivatives |
| gsl.bs.predict | GSL (GNU Scientific Library) B-spline/B-spline Derivatives |
| npiv | Nonparametric Instrumental Variable Estimation and Inference |
| npiv.default | Nonparametric Instrumental Variable Estimation and Inference |
| npiv.formula | Nonparametric Instrumental Variable Estimation and Inference |
| npiv_choose_J | Data-driven Choice of Sieve Dimension for Nonparametric Instrumental Variables Estimation and Inference |