| bkde | Compute a Binned Kernel Density Estimate |
| bkde2D | Compute a 2D Binned Kernel Density Estimate |
| bkfe | Compute a Binned Kernel Functional Estimate |
| dpih | Select a Histogram Bin Width |
| dpik | Select a Bandwidth for Kernel Density Estimation |
| dpill | Select a Bandwidth for Local Linear Regression |
| locpoly | Estimate Functions Using Local Polynomials |