A new fLiu shrinkage estimator for high-dimensional scalar-on-functional regression is introduced, with MSE decomposition yielding a plug-in optimal shrinkage parameter and a proof that GCV is uninformative underdetermined.
(2003), ‘On the statistical properties of the Liu estimator’,Communications in Statistics — Theory and Methods32(5), 1009–1020
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Functional Liu Regression for Scalar-on-Functional Models in High-Dimensional Settings
A new fLiu shrinkage estimator for high-dimensional scalar-on-functional regression is introduced, with MSE decomposition yielding a plug-in optimal shrinkage parameter and a proof that GCV is uninformative underdetermined.