1989
DOI: 10.1016/0169-7439(89)80111-x
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Nonlinear PLS modeling

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Cited by 543 publications
(356 citation statements)
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“…In LPLS, the PLS output scores vector (u) is predicted using a linear function of the PLS input scores vector (t). QPLS is the quadratic partial least squares method introduced by Wold et al [4]. QPLS uses a quadratic function to model the PLS inner relation.…”
Section: Methodsmentioning
confidence: 99%
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“…In LPLS, the PLS output scores vector (u) is predicted using a linear function of the PLS input scores vector (t). QPLS is the quadratic partial least squares method introduced by Wold et al [4]. QPLS uses a quadratic function to model the PLS inner relation.…”
Section: Methodsmentioning
confidence: 99%
“…Several nonlinear versions of the function methods have been developed such as quadratic PLS, spline PLS, and neural networks PLS. Wold et al [4] have pioneered the quadratic PLS techniques and many other methods are variants of their work. They extended the two blocks linear PLS model using a quadratic function instead of a linear function.…”
Section: Introductionmentioning
confidence: 99%
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“…In fact, in principle such tools are not able to directly describe the underlying structure of datasets affected by severe non-linearities, since they a priori assume this structure to be linear [7]. In the last decades, many novel approaches have been proposed to handle similar situations like non-linear PLS [8][9][10][11][12][13][14][15] or artificial neural networks [16]. Nevertheless, these strategies often require the optimisation of many adjustable parameters and may show overfitting and local minima.…”
Section: Introductionmentioning
confidence: 99%
“…Over the years, numerous extensions have been proposed to make PLS applicable for nonlinear processes. Wold et al [39] introduced quadratic PLS (QPLS), in which nonlinear (quadratic) functions are used to describe the inner relationships between the input score vectors and the latent variables. Other nonlinear versions of PLS (NLPLS) based on artificial neural networks (ANNs) have been proposed by Qin and McAvoy [28] and Malthouse et al [18].…”
Section: Introductionmentioning
confidence: 99%