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• W2087760247 abstract "This paper proposes a new method for estimating sparse precision matrices in the high dimensional setting. It has been popular to study fast computation and adaptive procedures for this problem. We propose a novel approach, called Sparse Column-wise Inverse Operator, to address these two issues. We analyze an adaptive procedure based on cross validation, and establish its convergence rate under the Frobenius norm. The convergence rates under other matrix norms are also established. This method also enjoys the advantage of fast computation for large-scale problems, via a coordinate descent algorithm. Numerical merits are illustrated using both simulated and real datasets. In particular, it performs favorably on an HIV brain tissue dataset and an ADHD resting-state fMRI dataset." @default.
• W2087760247 created "2016-06-24" @default.
• W2087760247 creator A5018061285 @default.
• W2087760247 creator A5042643943 @default.
• W2087760247 date "2015-03-01" @default.
• W2087760247 modified "2023-10-15" @default.
• W2087760247 title "Fast and adaptive sparse precision matrix estimation in high dimensions" @default.
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• W2087760247 doi "https://doi.org/10.1016/j.jmva.2014.11.005" @default.
• W2087760247 hasPubMedCentralId "https://www.ncbi.nlm.nih.gov/pmc/articles/4347526" @default.
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