pfica: Independent Components Analysis Techniques for Functional Data

Performs smoothed (and non-smoothed) principal/independent components analysis of functional data. Various functional pre-whitening approaches are implemented as discussed in Vidal and Aguilera (2022) “Novel whitening approaches in functional settings", <doi:10.1002/sta4.516>. Further whitening representations of functional data can be derived in terms of a few principal components, providing an avenue to explore hidden structures in low dimensional settings: see Vidal, Rosso and Aguilera (2021) “Bi-smoothed functional independent component analysis for EEG artifact removal”, <doi:10.3390/math9111243>.

Version:	0.1.3
Depends:	R (≥ 2.10), fda
Imports:	expm, whitening
Published:	2023-01-06
DOI:	10.32614/CRAN.package.pfica
Author:	Marc Vidal [aut, cre], Ana Mª Aguilera [aut, ths]
Maintainer:	Marc Vidal <marc.vidalbadia at ugent.be>
License:	GPL-2 | GPL-3 [expanded from: GPL (≥ 2)]
URL:	https://github.com/m-vidal/pfica
NeedsCompilation:	no
CRAN checks:	pfica results

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