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Partial least-squares vs. Lanczos bidiagonalization—I: analysis of a projection method for multiple regression
Linköpings universitet, Matematiska institutionen, Beräkningsvetenskap. Linköpings universitet, Tekniska högskolan.ORCID-id: 0000-0003-2281-856X
2004 (engelsk)Inngår i: Computational Statistics & Data Analysis, ISSN 0167-9473, E-ISSN 1872-7352, Vol. 46, nr 1, s. 11-31Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

Multiple linear regression is considered and the partial least-squares method (PLS) for computing a projection onto a lower-dimensional subspace is analyzed. The equivalence of PLS to Lanczos bidiagonalization is a basic part of the analysis. Singular value analysis, Krylov subspaces, and shrinkage factors are used to explain why, in many cases, PLS gives a faster reduction of the residual than standard principal components regression. It is also shown why in some cases the dimension of the subspace, given by PLS, is not as small as desired.

sted, utgiver, år, opplag, sider
Elsevier, 2004. Vol. 46, nr 1, s. 11-31
Emneord [en]
partial least-squares; Lanczos bidiagonalization; singular value decomposition; principal components regression; Krylov subspace; chemometrics; shrinkage factors
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Identifikatorer
URN: urn:nbn:se:liu:diva-22836DOI: 10.1016/S0167-9473(03)00138-5ISI: 000220929400002Lokal ID: 2174OAI: oai:DiVA.org:liu-22836DiVA, id: diva2:243149
Tilgjengelig fra: 2009-10-07 Laget: 2009-10-07 Sist oppdatert: 2017-12-13bibliografisk kontrollert

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