| densityreg | Conditional Density Estimation with Covariate Measurement Error |
| densityregbw | Bandwidth Selector for Conditional Density Estimation with Covariate Measurement Error |
| meanreg | Local Polynomial Estimators for Nonparametric Mean Regression |
| meanregbwSIMEX | Cross-Validation Bandwidth Selector Using SIMEX for Nonparametric Mean Regression |
| modereg | Nonparametric Estimators for Nonparametric Mode Regression |
| moderegbw | Cross-Validation Bandwidth Selector for Nonparametric Mode Regression |
| moderegbwSIMEX | Cross-Validation Bandwidth Selector Using SIMEX for Nonparametric Mode Regression |