@article {Lee.Joe2018b, title = {Efficient computation of multivariate empirical distribution functions at the observed values}, journal = {Computational Statistics}, volume = {33}, year = {2018}, month = {SEP}, pages = {1413-1428}, doi = {10.1007/s00180-017-0771-x ISSN = 0943-4062}, author = {Lee, D and Joe, H} }