Search for the QCD Ground State.pdf
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Search of Signicant Variables in
Nonparametric Additive Regression
W Hardle
Institut fur Statistik und Okonometrie
Wirtschaftswissenschaftliche Fakultat
Humb oldtUniversitat zu Berlin
Spandauer Strae
D Berlin Germany
A Korostelev
Institute for System Analysis
Prosp ekt Let Oktjabrja
Moscow Russia
Abstract
Nonparametric additive regression is studied under the assumption that only
a part of nonparametric comp onents is separated away from zero Each of these
nonzero comp onents dep ends on its own particular explanatory variable called a
signicant variable The search problem for signicant variables is considered and
the algorithm is prop osed which guarantees the exp onentially fast decreasing error
probabilities as the sample size grows
The research desrib ed in this pap er was made p ossible in part by Grant MCF from the Interna
tional Scientic Foundation The research for this pap er was carried out within Sonderforschungsb e
reich at the Humb oldtUniversity Berlin and was printed using funds made available by the Deutsche
Forschungsgemeinschaft Supp ort of INRA INSEE Paris France is gratefully acknowlegded
INTR ODUCTION
Intro duction
Consider a nonparametric regression mo del with a ddimensional explanatory variable
X X (1) X (d) and a onedime
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