Feature Screening for Ultrahigh Dimensional Categorical Data With Applications

Danyang Huang, Runze Li and Hansheng Wang

Journal of Business & Economic Statistics, 2014, vol. 32, issue 2, 237-244

Abstract: Ultrahigh dimensional data with both categorical responses and categorical covariates are frequently encountered in the analysis of big data, for which feature screening has become an indispensable statistical tool. We propose a Pearson chi-square based feature screening procedure for categorical response with ultrahigh dimensional categorical covariates. The proposed procedure can be directly applied for detection of important interaction effects. We further show that the proposed procedure possesses screening consistency property in the terminology of Fan and Lv (2008). We investigate the finite sample performance of the proposed procedure by Monte Carlo simulation studies and illustrate the proposed method by two empirical datasets.

Date: 2014
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Citations: View citations in EconPapers (13)

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Persistent link: https://EconPapers.repec.org/RePEc:taf:jnlbes:v:32:y:2014:i:2:p:237-244

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DOI: 10.1080/07350015.2013.863158

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