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- Galindo-Prieto, BeatrizUmeå universitet,Kemiska institutionen,MKS Instruments AB, Umeå, Sweden,Computational Life Science Cluster (author)
A new approach for variable influence on projection (VIP) in O2PLS models
- Article/chapterEnglish2017
Publisher, publication year, extent ...
- Elsevier,2017
- printrdacarrier
Numbers
- LIBRIS-ID:oai:DiVA.org:umu-128916
- https://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-128916URI
- https://doi.org/10.1016/j.chemolab.2016.11.005DOI
- https://res.slu.se/id/publ/79239URI
Supplementary language notes
- Language:English
- Summary in:English
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- SwePubSwePub
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Notes
- A novel variable influence on projection approach for O2PLS® models, named VIPO2PLS, is presented in this paper. VIPO2PLS is a model-based method for judging the importance of variables. Its cornerstone is the 2-way formalism of the O2PLS models; i.e. the use of both predictive and orthogonal normalized loadings of the two modelled data matrices, and also a new weighting system based on the sum of squares of both data blocks (X, Y). The VIPO2PLS algorithm has been tested in one synthetic data set and two real cases, and the outcomes have been compared to the PLS-VIP, VIPOPLS, and i-PLS methods. The purpose is to achieve a sharper and enhanced model interpretation of O2PLS models by using the new VIPO2PLS method for assessing the importance of both X- and Y- variables.
Subject headings and genre
- NATURVETENSKAP Kemi hsv//swe
- NATURAL SCIENCES Chemical Sciences hsv//eng
- NATURVETENSKAP Data- och informationsvetenskap hsv//swe
- NATURAL SCIENCES Computer and Information Sciences hsv//eng
- NATURVETENSKAP Matematik Beräkningsmatematik hsv//swe
- NATURAL SCIENCES Mathematics Computational Mathematics hsv//eng
- NATURVETENSKAP Matematik Matematisk analys hsv//swe
- NATURAL SCIENCES Mathematics Mathematical Analysis hsv//eng
- NATURVETENSKAP Matematik Diskret matematik hsv//swe
- NATURAL SCIENCES Mathematics Discrete Mathematics hsv//eng
- Multi-block variable selection
- O2PLS
- VIP
- Variable importance
- Model interpretation
- Multivariate calibration
Added entries (persons, corporate bodies, meetings, titles ...)
- Trygg, JohanUmeå universitet,Kemiska institutionen,MKS Instruments AB, Umeå, Sweden,Computational Life Science Cluster(Swepub:umu)jotr0001 (author)
- Geladi, PaulSwedish University of Agricultural Sciences,Sveriges lantbruksuniversitet,Skogens biomaterial och teknologi,Department of Forest Biomaterials and Technology(Swepub:slu)47379 (author)
- Umeå universitetKemiska institutionen (creator_code:org_t)
- Sveriges lantbruksuniversitet
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- In:Chemometrics and Intelligent Laboratory Systems: Elsevier160, s. 110-1240169-74391873-3239
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