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Partial least squares–slice transform hybrid model for nonlinear calibration
Peng Shan; Silong Peng
Source PublicationChemometrics and Intelligent Laboratory Systems
Other AbstractA hybrid model (herein referred to as PLS-SLT) founded on partial least squares (PLS) and slice transform(SLT) is proposed to model nonlinear chemical systems with a wide range of response variable. In the modeling process, PLS predicted values of calibration set were taken as inputs for the subsequent SLT to further approximate to observed values by a least square criterion. The estimated optimal piecewise linear mapping function was then applied to test set to give the final prediction result. Theoretically, PLS-SLT can be proven to be equivalent to
the PLS-based piecewise linear model in the y-space. PLS-SLT is comparedwith PLS and other calibration models on twospectral datasets. The Wilcoxon signed rank test is used to statistically compare predictive performance of two competing calibration models. Experimental results show that the performance of PLS-SLT is at least statistically not worse than PLS and other models.
KeywordSlice Transform Partial Least Squares Slice Transform
Document Type期刊论文
Recommended Citation
GB/T 7714
Peng Shan,Silong Peng. Partial least squares–slice transform hybrid model for nonlinear calibration[J]. Chemometrics and Intelligent Laboratory Systems,2014(138):72-83.
APA Peng Shan,&Silong Peng.(2014).Partial least squares–slice transform hybrid model for nonlinear calibration.Chemometrics and Intelligent Laboratory Systems(138),72-83.
MLA Peng Shan,et al."Partial least squares–slice transform hybrid model for nonlinear calibration".Chemometrics and Intelligent Laboratory Systems .138(2014):72-83.
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