Professor Jochen Einbeck jochen.einbeck@durham.ac.uk
Professor
The asymptotic behavior of localized principal components applying kernels as weights is investigated. In particular, we show that the first-order approximation of the first localized principal component at any given point only depends on the bandwidth parameter(s) and the density at that point. This result is extended to the context of local principal curves, where the characteristics of the points at which the curve stops at the edges are identified. This is used to provide a method which allows the curve to proceed beyond its natural endpoint if desired.
Einbeck, J., & Zayed, M. (2014). Some asymptotics for localized principal components and curves. Communications in Statistics - Theory and Methods, 43(8), 1736-1749. https://doi.org/10.1080/03610926.2012.673676
Journal Article Type | Article |
---|---|
Acceptance Date | Mar 5, 2012 |
Online Publication Date | Aug 12, 2013 |
Publication Date | Apr 9, 2014 |
Deposit Date | Sep 13, 2013 |
Publicly Available Date | Apr 16, 2014 |
Journal | Communications in Statistics - Theory and Methods |
Print ISSN | 0361-0926 |
Electronic ISSN | 1532-415X |
Publisher | Taylor and Francis Group |
Peer Reviewed | Peer Reviewed |
Volume | 43 |
Issue | 8 |
Pages | 1736-1749 |
DOI | https://doi.org/10.1080/03610926.2012.673676 |
Keywords | Kernels, Mean shift, PCA, Local principal curves. |
Public URL | https://durham-repository.worktribe.com/output/1447760 |
Accepted Journal Article
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Copyright Statement
This is an Author's Accepted Manuscript of an article published in Einbeck, Jochen and Zayed, Mohammad (2014) 'Some asymptotics for localized principal components and curves.', Communications in statistics - theory and methods., 43 (8). pp. 1736-1749. © Taylor & Francis, available online at: http://www.tandfonline.com/10.1080/03610926.2012.673676.
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