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dc.contributor.authorHorowitz, Joelen
dc.contributor.authorHuang, Jianen
dc.date.accessioned2012-07-27-
dc.date.accessioned2012-10-16T13:08:21Z-
dc.date.available2012-10-16T13:08:21Z-
dc.date.issued2012-
dc.identifier.pidoi:10.1920/wp.cem.2012.1712en
dc.identifier.urihttp://hdl.handle.net/10419/64672-
dc.description.abstractWe consider estimation of a linear or nonparametric additive model in which a few coefficients or additive components are large and may be objects of substantive interest, whereas others are small but not necessarily zero. The number of small coefficients or additive components may exceed the sample size. It is not known which coefficients or components are large and which are small. The large coefficients or additive components can be estimated with a smaller mean-square error or integrated mean-square error if the small ones can be identified and the covariates associated with them dropped from the model. We give conditions under which several penalized least squares procedures distinguish correctly between large and small coefficients or additive components with probability approaching 1 as the sample size increases. The results of Monte Carlo experiments and an empirical example illustrate the benefits of our methods.en
dc.language.isoengen
dc.publisher|aCentre for Microdata Methods and Practice (cemmap) |cLondonen
dc.relation.ispartofseries|acemmap working paper |xCWP17/12en
dc.subject.ddc330en
dc.subject.keywordpenalized regressionen
dc.subject.keywordhigh-dimensional dataen
dc.subject.keywordvariable selectionen
dc.titlePenalized estimation of high-dimensional models under a generalized sparsity condition-
dc.typeWorking Paperen
dc.identifier.ppn72022828Xen
dc.rightshttp://www.econstor.eu/dspace/Nutzungsbedingungenen
dc.identifier.repecRePEc:ifs:cemmap:17/12en

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