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Journal of Chemometrics

Subject Areas: Analytical Chemistry
Publisher: Wiley Subscription Services, Inc., A Wiley Company - Wiley
ISSN: 0886-9383
SJR: 95

Open Access

Journal Article

Principal balances of compositional data for regression and classification using partial least squares

Nesrstová, V.; Wilms, I.; Palarea‐Albaladejo, J.; Filzmoser, P.; Martín‐Fernández, J. A.; Friedecký, D.; Hron, K.

2023 Journal of Chemometrics

doi:10.1002/cem.3518

High‐dimensional compositional data are commonplace in the modern omics sciences, among others. Analysis of compositional data requires the proper choice of a log‐ratio coordinate representation, since their relative nature is not compatible with the direct use of standard statistical methods....
LitStream

Journal Article

ASER: Adapted squared error relevance for rare cases prediction in imbalanced regression

Kou, Ying; Fu, Guang‐Hui

2023 Journal of Chemometrics

doi:10.1002/cem.3515

Many real‐world data mining applications involve using imbalanced datasets to obtain predictive models. Imbalanced data can hinder the model performance of learning algorithms in rare cases. Although there are many well‐researched classification task solutions, most of them cannot be directly...
LitStream

Journal Article

Detection of the storage time of light bruises in yellow peaches based on spectrum and texture features of hyperspectral image

Li, Bin; Zou, Ji‐ping; Yin, Hai; Liu, Yan‐de; Zhang, Feng; Ou‐yang, Ai‐guo

2023 Journal of Chemometrics

doi:10.1002/cem.3516

Yellow peaches are soft, and they bruise easily; the bruised areas of them are prone to breed bacteria and molds, so the consumption and the safety of related products of yellow peaches are affected by the difference in the storage time of light bruises in them. In order to accurately distinguish...

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