Delgado, Miguel A.Vidal-Sanz, Jose M.2009-07-272009-07-272004Annals of the Mathematical Statistical Institute. 2004, vol. 56, nº. 4, p. 791-8181572-9052https://hdl.handle.net/10016/2490This paper considers delta estimators of the Radon-Nikodym derivative of a probability function with respect to a σ-finite measure. We provide sufficient conditions for universal consistency, which are checked for some wide classes of nonparametric estimators.text/plainapplication/pdfengNonparametric density estimationdelta estimatorsuniversal consistencyresearch articleEconomía10.1007/BF02506490open access