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math.ST2019
Optimal robust estimators for families of distributions on the integers
Ricardo A. Maronna, Victor J. Yohai
Let F_{θ} be a family of distributions with support on the set of nonnegative integers Z_0. In this paper we derive the M-estimators with smallest gross error sensitivity (GES). We…
stat.CO2019★ 5 cited
Robust Clustering Using Tau-Scales
Juan D. Gonzalez, Victor J. Yohai, Ruben H. Zamar
K means is a popular non-parametric clustering procedure introduced by Steinhaus (1956) and further developed by MacQueen (1967). It is known, however, that K means does not perfor…