Calculates the Density-Based Clustering Validation (DBCV) Index
Description
A metric called 'Density-Based Clustering Validation index' (DBCV) index to evaluate clustering results, following the 'R' implementation by Pablo Andretta Jaskowiak. Original 'DBCV' index article: Moulavi, D., Jaskowiak, P. A., Campello, R. J., Zimek, A., and Sander, J. (April 2014), "Density-based clustering validation", Proceedings of SDM 2014 -- the 2014 SIAM International Conference on Data Mining (pp. 839-847), .