Regularization Parameter Selections via Generalized Information Criterion

By Yiyun Zhang, Runze Li, Chih-Ling Tsai. Journal of the American Statistical Association, 2010

312 citations recorded by the source corpus.

We apply the nonconcave penalized likelihood approach to obtain variable selections as well as shrinkage estimators. This approach relies heavily on the choice of regularization parameter, which controls the model complexity. In this paper, we propose employing the generalized information criterion, encompassing the commonly used Akaike information criterion (AIC) and Bayesian information criterion (BIC), for selecting the regularization parameter. Our proposal makes a connection between the classical variable selection criteria and the regularization parameter selections for the nonconcave penalized likelihood approaches. We show that the BIC-type selector enables identification of the true model consistently, and the resulting estimator possesses the oracle property in the terminology of Fan and Li (2001). In contrast, however, the AIC-type selector tends to overfit with positive probability. We further show that the AIC-type selector is asymptotically loss efficient, while the BIC-type selector is not. Our simulation results confirm these theoretical findings, and an empirical example is presented. Some technical proofs are given in the online supplementary material.

Subfields: Artificial Intelligence, Control and Systems Engineering, Statistics and Probability

View Paper: https://www.semanticscholar.org/paper/77c69a423b61dfdf87a0de439a1232ea1c3a0192

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In Artificial Intelligence

  1. Eric B. Laber
  2. Leonard A. Stefanski
  3. Wenhao Hu
  4. Francis K. C. Hui
  5. David I. Warton
  6. Scott D. Foster
  7. Clifford M. Hurvich
  8. Annie Qu

In Control and Systems Engineering

  1. Clifford M. Hurvich
  2. Annie Qu
  3. Jeffrey S. Simonoff
  4. Cheryl J. Flynn
  5. Byeong U. Park
  6. Eric B. Laber
  7. Niharika Gauraha
  8. Hohsuk Noh

In Statistics and Probability

  1. Leonard A. Stefanski
  2. Eric B. Laber
  3. Wenhao Hu
  4. Cheng Yong Tang
  5. Jianhui Zhou
  6. David I. Warton
  7. Francis K. C. Hui
  8. Scott D. Foster

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