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New data preprocessing trends based on ensemble of multiple preprocessing techniques

TrAC, Trends in analytical chemistry (Regular ed.), 2020-11, Vol.132 [Peer Reviewed Journal]

Attribution - NonCommercial - NoDerivatives ;ISSN: 0165-9936 ;EISSN: 1879-3142 ;DOI: 10.1016/j.trac.2020.116045

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  • Title:
    New data preprocessing trends based on ensemble of multiple preprocessing techniques
  • Author: Mishra, Puneet ; Biancolillo, Alessandra ; Roger, Jean-Michel ; Marini, Federico ; Rutledge, Douglas N
  • Subjects: Environmental Engineering ; Environmental Sciences ; Mathematics ; Statistics
  • Is Part Of: TrAC, Trends in analytical chemistry (Regular ed.), 2020-11, Vol.132
  • Description: Data generated by analytical instruments, such as spectrometers, may contain unwanted variation due to measurement mode, sample state and other external physical, chemical and environmental factors. Preprocessing is required so that the property of interest can be predicted correctly. Different correction methods may remove specific types of artefacts while still leaving some effects behind. Using multiple preprocessing in a complementary way can remove the artefacts that would be left behind by using only one technique. This article summarizes the recent developments in new data preprocessing strategies and specifically reviews the emerging ensemble approaches to preprocessing fusion in chemometrics. A demonstration case is also presented. In summary, ensemble preprocessing allows the selection of several techniques and their combinations that, in a complementary way, lead to improved models. Ensemble approaches are not limited to spectral data but can be used in all cases where preprocessing is needed and identification of a single best option is not easily done.
  • Publisher: Elsevier
  • Language: English
  • Identifier: ISSN: 0165-9936
    EISSN: 1879-3142
    DOI: 10.1016/j.trac.2020.116045
  • Source: Hyper Article en Ligne (HAL) (Open Access)
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