| kde | Univariate kernel density |
| kde_d | Multivariate kernel density |
| lcv | Likelihood cross validation bandwidth for univariate densities |
| lcv_d | Likelihood cross validation bandwidth for multivariate kernel densities |
| rlcv | Robust likelihood cross validation bandwidth for univariate densities |
| rlcv_d | Robust likelihood cross validation bandwidth for multivariate kernel densities |