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High dimensional covariance matrix estimation using a factor model
Fan, Jianqing; Fan, Yingying; Lv, Jinchi - In: Journal of econometrics 147 (2008) 1, pp. 186-197
Persistent link: https://www.econbiz.de/10003783799
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Nonsparse learning with latent variables
Zheng, Zemin; Lv, Jinchi; Lin, Wei - In: Operations research 69 (2021) 1, pp. 346-359
Persistent link: https://www.econbiz.de/10012523525