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Fast covariance estimation for multivariate sparse functional data

Covariance estimation is essential yet underdeveloped for analysing multivariate functional data. We propose a fast covariance estimation method for multivariate sparse functional data using bivariate penalized splines. The tensor‐product B‐spline formulation of the proposed method enables a simple...

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Bibliografiske detaljer
Udgivet i:Stat (Int Stat Inst)
Main Authors: Li, Cai, Xiao, Luo, Luo, Sheng
Format: Artigo
Sprog:Inglês
Udgivet: John Wiley and Sons Inc. 2020
Fag:
Online adgang:https://ncbi.nlm.nih.gov/pmc/articles/PMC8276768/
https://ncbi.nlm.nih.gov/pubmed/34262756
https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1002/sta4.245
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