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Megavariate analysis of environmental QSAR data. Part I--a basic framework founded on principal component analysis (PCA), partial least squares (PLS), and statistical molecular design (SMD)
Umeå University, Faculty of Science and Technology, Chemistry.
Umeå University, Faculty of Science and Technology, Chemistry.
2006 (English)In: Molecular Diversity, ISSN 1381-1991, Vol. 10, no 2, 169-86 p.Article in journal (Refereed) Published
Abstract [en]

This paper introduces principal component analysis (PCA), partial least squares projections to latent structures (PLS), and statistical molecular design (SMD) as useful tools in deriving multi- and megavariate quantitative structure-activity relationship (QSAR) models. Two QSAR data sets from the fields of environmental toxicology and environmental chemistry are worked out in detail, showing the benefits of PCA, PLS and SMD. PCA is useful when overviewing a data set and exploring relationships among compounds and relationships among variables. PLS is the regression extension of PCA and is used for establishing QSARs. SMD is essential for selecting informative training and test sets of compounds for QSAR calibration and validation.

Place, publisher, year, edition, pages
2006. Vol. 10, no 2, 169-86 p.
Keyword [en]
Data Interpretation; Statistical, Hazardous Substances/*toxicity, Least-Squares Analysis, Models; Chemical, Models; Statistical, Principal Component Analysis/*methods, Quantitative Structure-Activity Relationship, Toxicology/*methods
Identifiers
URN: urn:nbn:se:umu:diva-10805DOI: doi:10.1007/s11030-006-9024-6PubMedID: 16770514OAI: oai:DiVA.org:umu-10805DiVA: diva2:150476
Note
Keywords megavariate data analysis - PCA - PLS - SMD - QSARAvailable from: 2007-04-11 Created: 2007-04-11 Last updated: 2011-01-11Bibliographically approved

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CiteExportLink to record
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  • apa
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