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Megavariate analysis of environmental QSAR data. Part II--investigating very complex problem formulations using hierarchical, non-linear and batch-wise extensions of PCA and PLS.

Eriksson, Lennart (author)
Andersson, Patrik L. (author)
Umeå universitet,Kemiska institutionen
Johansson, Erik (author)
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Tysklind, Mats (author)
Umeå universitet,Kemiska institutionen
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 (creator_code:org_t)
2006-06-27
2006
English.
In: Molecular Diversity. - : Springer Science and Business Media LLC. - 1381-1991 .- 1573-501X. ; 10:2, s. 187-205
  • Journal article (peer-reviewed)
Abstract Subject headings
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  • Three extensions of the basic PCA and PLS methodologies are described. These extensions are hierarchical, non-linear and batch-based in nature. The objectives of these methods are to assist in problem understanding and problem solving in very complex (QSAR) problem formulations. The method extensions are illustrated using two example QSAR data sets containing many X- and Y-variables.

Keyword

Hazardous Substances/*toxicity
Least-Squares Analysis
Models; Chemical
Models; Statistical
Principal Component Analysis/*methods
Quantitative Structure-Activity Relationship
Toxicology/*methods

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