Abstract Details
Activity Number:
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372
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Type:
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Contributed
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Date/Time:
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Tuesday, August 6, 2013 : 10:30 AM to 12:20 PM
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Sponsor:
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Korean International Statistical Society
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Abstract - #308374 |
Title:
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A Comparative Study on Semiparametric Estimation in Partially Linear Single-Index Model
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Author(s):
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Young-Ju Kim*+
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Companies:
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Kangwon National University
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Keywords:
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Boosting ;
partial spline ;
partially linear model ;
project pursuit regression ;
single-index
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Abstract:
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Partially linear single-index models are regarded as generalized versions of linear regression that allow the dimension reduction of multivariate predictors into a univariate index, while other predictors remain linearly associated with the response. We propose a semiparametric method based on partial splines for estimating the unknown function and regression parameters. Three methods - project pursuit regression, average derivative method, and boosting - are considered for estimating the single-index parameter. The relative performances of the methods are illustrated by simulation study and a real-world data example.
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Authors who are presenting talks have a * after their name.
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