Abstract
We employ Lasso shrinkage within the context of sufficient dimension reduction to obtain a shrinkage sliced inverse regression estimator, which provides easier interpretations and better prediction accuracy without assuming a parametric model. The shrinkage sliced inverse regression approach can be employed for both single-index and multiple-index models. Simulation studies suggest that the new estimator performs well when its tuning parameter is selected by either the Bayesian information criterion or the residual information criterion.
| Original language | English (US) |
|---|---|
| Pages (from-to) | 242-247 |
| Number of pages | 6 |
| Journal | Biometrika |
| Volume | 92 |
| Issue number | 1 |
| DOIs | |
| State | Published - Mar 2005 |
Bibliographical note
Funding Information:We thank the referee and editor for their useful comments. R. D. Cook’s research was supported in part by the U.S. National Science Foundation and Chih-Ling Tsai’s research was supported in part by the U.S. National Institutes of Health.
Keywords
- Garotte
- Lasso
- Shrinkage estimator
- Sliced inverse regression
- Sufficient dimension reduction