期刊
JOURNAL OF CHEMOMETRICS
卷 28, 期 8, 页码 623-632出版社
WILEY-BLACKWELL
DOI: 10.1002/cem.2627
关键词
variable influence on projection; VIP; OPLS; variable selection; PLS
类别
资金
- Swedish Research Council [2011-604]
- MKS Umetrics AB
- Industrial Doctoral School (IDS), Umea University, Sweden
A new approach for variable influence on projection (VIP) is described, which takes full advantage of the orthogonal projections to latent structures (OPLS) model formalism for enhanced model interpretability. This means that it will include not only the predictive components in OPLS but also the orthogonal components. Four variants of variable influence on projection (VIP) adapted to OPLS have been developed, tested and compared using three different data sets, one synthetic with known properties and two real-world cases. Copyright (C) 2014 John Wiley & Sons, Ltd.
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