Nonconvex penalized reduced rank regression and its oracle properties in high dimensions
Heng Lian and
Yongdai Kim
Journal of Multivariate Analysis, 2016, vol. 143, issue C, 383-393
Abstract:
Sparse reduced rank regression achieves dimension reduction and variable selection simultaneously. In this paper, for a class of nonconvex penalties, we give sufficient conditions that guarantee the oracle estimator is a local minimizer and stronger conditions that guarantee it is a global minimizer, with probability tending to one in an ultra-high dimensional setting. We carry out simulations to investigate the performance of the estimator. A real data set is analyzed for illustration.
Keywords: Model selection; Nonconvex penalty; Oracle property; Reduced rank regression (search for similar items in EconPapers)
Date: 2016
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Persistent link: https://EconPapers.repec.org/RePEc:eee:jmvana:v:143:y:2016:i:c:p:383-393
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DOI: 10.1016/j.jmva.2015.09.023
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