Journal of Mathematical Inequalities · Volume 2, Issue 2 Contour approximation of data and the harmonic mean 02-23 Pages 261-267 DOI 10.7153/jmi-02-23 Downloads Short PDF Full PDF PNG Authors Marina Arav Keywords harmonic mean quasi-linear mean clustering contour approximation of data distance functions Subject classes 62-07 26E60 91C20 47A64