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Abstract Details
Activity Number:
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238
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Type:
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Contributed
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Date/Time:
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Monday, July 30, 2012 : 2:00 PM to 3:50 PM
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Sponsor:
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Section on Nonparametric Statistics
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Abstract - #304003 |
Title:
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Semiparametric Additive Regression and Goodness-of-Fit
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Author(s):
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Ursula U. Müller*+
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Companies:
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Texas A&M University
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Address:
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Department of Statistics, College Station, TX, , USA
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Keywords:
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Partly linear model ;
nonparametric additive regression ;
orthogonal series estimator ;
uniform Bahadur representation
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Abstract:
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We consider semiparametric additive regression models with a linear parametric part and a nonparametric part, both involving multivariate covariates. For the nonparametric part we assume that it is additive with smooth components. Our estimator of the regression curve is a suitable least squares approach involving series estimators. The resulting residual-based empirical distribution function can be used for goodness-of-fit tests, for example about the additivity assumption, or about the form of the error distribution. We show that the resulting residual-based empirical distribution function differs from the error-based empirical distribution function by an additive expression (up to a uniformly negligible remainder term). This result implies a functional central limit theorem.
This paper is based on joint work with Anton Schick and Wolfgang Wefelmeyer.
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Authors who are presenting talks have a * after their name.
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