Merritt, DavidGraham, AlisterMoore, BenDiemand, JürgTerzic, Balsa2015-12-080004-6256http://hdl.handle.net/1885/30680We use techniques from nonparametric function estimation theory to extract the density profiles, and their derivatives, from a set of N-body dark matter halos. We consider halos generated from ΛCDM simulations of gravitational clustering, as well as isolKeywords: Dark matter; Galaxies: halos; Methods: n-body simulationsEmpirical Models for Dark Matter Halos. I. Nonparametric Construction of Density Profiles and Comparison with Parametric Models200610.1086/5089882015-12-08