The finite sample properties of Sparse M-estimators with Pseudo-Observations
Benjamin Poignard () and
Jean-David Fermanian ()
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Benjamin Poignard: Osaka University, Graduate School of Engineering Science.
Jean-David Fermanian: CREST; ENSAE.
No 2019-01, Working Papers from Center for Research in Economics and Statistics
Abstract:
We provide finite sample properties of general regularized statistical criteria in the presence of pseudo-observations. Under the restricted strong convexity assump-tion of the unpenalized loss function and regularity conditions on the penalty, we derive non-asymptotic error bounds on the regularized M-estimator that hold with high probability. This penalized framework with pseudo-observations is then ap-plied to the M-estimation of some usual copula-based models. These theoretical results are supported by an empirical study.
Keywords: Non-convex regularizer; copulas; pseudo-observations; statistical consis-tency; exponential bounds. (search for similar items in EconPapers)
Pages: 38 pages
Date: 2019-01-04
New Economics Papers: this item is included in nep-ecm
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