2 papers
stat.ME2026
Covariance estimation for derivatives of functional data using an additive penalty in P-splines
Yueyun Zhu, Steven Golovkine, Norma Bargary +1
P-splines provide a flexible and computationally efficient smoothing framework and are commonly used for derivative estimation in functional data. Including an additive penalty ter…
stat.ME2024
Derivative Estimation of Multivariate Functional Data
Yueyun Zhu, Steven Golovkine, Norma Bargary +1
Existing approaches for derivative estimation are restricted to univariate functional data. We propose two methods to estimate the principal components and scores for the derivativ…