Robust principal graphs for data approximation

Recommended citation: Gorban AN, Mirkes EM, Zinovyev A. Robust principal graphs for data approximation. Proceedings of European Conference on Data Analysis-2015, 2-4/9/2015, Colchester, UK http://repository.essex.ac.uk/15600/1/ECDA_Bk_Complete_25125_web.pdf