Fujisawa, Hironori; Eguchi, Shinto - In: Journal of Multivariate Analysis 99 (2008) 9, pp. 2053-2081
In this paper we consider robust parameter estimation based on a certain cross entropy and divergence. The robust estimate is defined as the minimizer of the empirically estimated cross entropy. It is shown that the robust estimate can be regarded as a kind of projection from the viewpoint of a...