| checkerboardDensity | Estimate the checkerboard mass density |
| checkerboardDensityIndex | Estimate a single entry of the checkerboard mass density |
| computeBandwidth | Compute bandwidth via cross-validation |
| computeCBMeasure | Dependence measures for the checkerboard copula |
| rdm | Rearranged dependence measure |
| sortDSMatrix | Sort a (possibly non-square) doubly stochastic matrix |