Title
Variable selection for covariate adjusted regression model.
Abstract
This paper employs the SCAD-penalized least squares method to simultaneously select variables and estimate the coefficients for high-dimensional covariate adjusted linear regression models. The distorted variables are assumed to be contaminated with a multiplicative factor that is determined by the value of an unknown function of an observable covariate. The authors show that under some appropriate conditions, the SCAD-penalized least squares estimator has the so called "oracle property". In addition, the authors also suggest a BIC criterion to select the tuning parameter, and show that BIC criterion is able to identify the true model consistently for the covariate adjusted linear regression models. Simulation studies and a real data are used to illustrate the efficiency of the proposed estimation algorithm.
Year
DOI
Venue
2014
10.1007/s11424-014-2276-9
J. Systems Science & Complexity
Keywords
Field
DocType
BIC,covariate adjusted regression model,oracle property,variable selection
Least squares,Covariate,Observable,Multiplicative function,Feature selection,Regression analysis,Oracle,Statistics,Mathematics,Linear regression
Journal
Volume
Issue
ISSN
27
6
1009-6124
Citations 
PageRank 
References 
0
0.34
5
Authors
4
Name
Order
Citations
PageRank
Xuejing Li100.34
Jiang Du200.68
Gaorong Li36414.58
Mingzhi Fan400.34