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Journal: Mathematics, 2025
Volume: 13
Number: 423

Article: Fitting Penalized Estimator for Sparse Covariance Matrix with Left-Censored Data by the EM Algorithm
Authors: by Shanyi Lin, Qian-Zhen Zheng, Laixu Shang, Ping-Feng Xu and Man-Lai Tang
Link: https://www.mdpi.com/2227-7390/13/3/423

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