Variable selection for high-dimensional generalized linear models with the weighted elastic-net procedure

Xiuli Wang and Mingqiu Wang

Journal of Applied Statistics, 2016, vol. 43, issue 5, 796-809

Abstract: High-dimensional data arise frequently in modern applications such as biology, chemometrics, economics, neuroscience and other scientific fields. The common features of high-dimensional data are that many of predictors may not be significant, and there exists high correlation among predictors. Generalized linear models, as the generalization of linear models, also suffer from the collinearity problem. In this paper, combining the nonconvex penalty and ridge regression, we propose the weighted elastic-net to deal with the variable selection of generalized linear models on high dimension and give the theoretical properties of the proposed method with a diverging number of parameters. The finite sample behavior of the proposed method is illustrated with simulation studies and a real data example.

Date: 2016
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DOI: 10.1080/02664763.2015.1078300

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