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Cited by 847

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On the adaptive elastic-net with a diverging number of parameters

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Zou, Hui, Zhang, Hao Helen·2009·The Annals of Statistics

Abstract

We consider the problem of model selection and estimation in situations where the number of parameters diverges with the sample size. When the dimension is high, an ideal method should have the oracle property (Fan and Li, 2001; Fan and Peng, 2004) which ensures the optimal large sample performance. Furthermore, the high-dimensionality often induces the collinearity problem which should be properly handled by the ideal method. Many existing variable selection methods fail to achieve both goals simultaneously. In this paper, we propose the adaptive Elastic-Net that combines the strengths of the quadratic regularization and the adaptively weighted lasso shrinkage. Under weak regularity conditions, we establish the oracle property of the adaptive Elastic-Net. We show by simulations that the adaptive Elastic-Net deals with the collinearity problem better than the other oracle-like methods, thus enjoying much improved finite sample performance.

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Metadata

Authors
Zou, H., & Zhang, H. H.
Venue
The Annals of Statistics
Published
2009-08-01
Volume
37
Issue
4
Pages
1733-1751
ISSN
0090-5364 (ISSN-L)
OpenAlex
W2075490785
Cited by
847
References
18
FWCI
23.50
Type
journal article
Language
en
Open access
bronze

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CoChat. (2026). Citation check: On the adaptive elastic-net with a diverging number of parameters. https://app.cochat.ai/papers/10.1214/08-aos625
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Zou, H., & Zhang, H. H. (2009). On the adaptive elastic-net with a diverging number of parameters. The Annals of Statistics. https://doi.org/10.1214/08-aos625

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