政大機構典藏-National Chengchi University Institutional Repository(NCCUR):Item 140.119/148385

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政大機構典藏 > 商學院 > 統計學系 > 期刊論文 > Item 140.119/148385

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題名:	A note of feature screening via a rank-based coefficient of correlation
作者:	陳立榜 Chen, Li-Pang
貢獻者:	統計系
關鍵詞:	generalized additive models;gene expression;prediction;sure screening property;ultrahigh-dimensional data
日期:	2023-08
上傳時間:	2023-11-30 14:58:42 (UTC+8)
摘要:	Feature screening is a useful and popular tool to detect informative predictors for ultrahigh-dimensional data before developing statistical analysis or constructing statistical models. While a large body of feature screening procedures has been developed, most methods are restricted to examine either continuous or discrete responses. Moreover, even though many model-free feature screening methods have been proposed, additional assumptions are imposed in those methods to ensure their theoretical results. To address those difficulties and provide simple implementation, in this paper we extend the rank-based coefficient of correlation to develop a feature screening procedure. We show that this new screening criterion is able to deal with continuous and binary responses. Theoretically, the sure screening property is established to justify the proposed method. Simulation studies demonstrate that the predictors with nonlinear and oscillatory trajectories are successfully retained regardless of the distribution of the response. Finally, the proposed method is implemented to analyze two microarray datasets.
關聯:	Biometrical Journal, Vol.65, No.6, 2100373
資料類型:	article
DOI 連結:	https://doi.org/10.1002/bimj.202100373
DOI:	10.1002/bimj.202100373
顯示於類別:	[統計學系] 期刊論文

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