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Activity Number: 415 - Methods for Functional or Network Data
Type: Contributed
Date/Time: Tuesday, August 1, 2017 : 2:00 PM to 3:50 PM
Sponsor: Section on Statistical Learning and Data Science
Abstract #324963
Title: Minimax Estimation for Varying Coefficient Model with Longitudinal Data
Author(s): Xiaowu Dai*
Companies: University of Wisconsin Madison
Keywords: Varying coefficient model ; Minimax rate of convergence ; Smoothing splines estimates ; Longitudinal data
Abstract:

Smoothing splines estimates for varying coefficient models was proposed by Hastie and Tibshirani (1993) to address repeated measurements. Although there exists efficient algorithms, e.g., the backfitting schemes, it remains unclear about the sampling properties of this estimator. We obtain sharp results on the minimax rates of convergences and show that smoothing spline estimators achieve the optimal rates of convergence for both prediction and estimation problems. Numerical results are obtained to demonstrate the theoretical developments.


Authors who are presenting talks have a * after their name.

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