# see dist1 - temporary funct in dp_bng/bng.py
# 
# hclust	agglom
# 		divisive
# pclust	kmeans
# 		kmodes
# 		kmedians
# 		kprototypes
# 		pam...
# xxx		birch
# dbclust	optics
# 		dbscan
# mbclust	mdlclust
