Abstract Details
Activity Number:
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196
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Type:
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Contributed
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Date/Time:
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Monday, August 10, 2015 : 10:30 AM to 12:20 PM
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Sponsor:
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International Chinese Statistical Association
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Abstract #317342
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Title:
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Prediction Interval for Shrinkage Tuning Parameter
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Author(s):
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Wenhao Hu*
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Companies:
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North Carolina State University
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Keywords:
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Lasso ;
BIC ;
Bootstrap ;
Prediction Interval
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Abstract:
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Tuning parameter selection is a challenging problem in the application of selection and shrinkage regression methods. Typically methods based on AIC, BIC, or cross-validation are used to determine a single tuning parameter. Additional variability introduced in to parameter estimates by this selection process is typically ignored. As a step toward characterizing this uncertainty we propose a bootstrap estimator of the sampling distribution of a data-driven tuning parameter. We show that the proposed method provides asymptotically correct coverage and illustrate its finite sample performance in a series of simulation experiments.
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Authors who are presenting talks have a * after their name.
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