93 citations · 315 across the 12 of their papers we have counts for
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math.ST2008★ 84 cited
Functional principal components analysis via penalized rank one approximation
Jianhua Z. Huang, Haipeng Shen, Andreas Buja
Two existing approaches to functional principal components analysis (FPCA) are due to Rice and Silverman (1991) and Silverman (1996), both based on maximizing variance but introduc…
stat.AP2008★ 49 cited
Forecasting time series of inhomogeneous Poisson processes with application to call center workforce management
Haipeng Shen, Jianhua Z. Huang
We consider forecasting the latent rate profiles of a time series of inhomogeneous Poisson processes. The work is motivated by operations management of queueing systems, in particu…