Journal of Analytical Methods in Chemistry / 2019 / Article / Tab 1

Research Article

A New Plant Indicator (Artemisia lavandulaefolia DC.) of Mercury in Soil Developed by Fourier-Transform Near-Infrared Spectroscopy Coupled with Least Squares Support Vector Machine

Table 1

Classification of regular and mercury-contaminated ALDC samples by FT-NIR and LS-SVM.

PreprocessingParameters (σ2, γ)Error rates of cross validationPrediction accuracy

Raw data LS-SVM(840, 2.5)0.0750.912
Smoothing-LS-SVM(800, 4.0)0.0690.875
D2-LS-SVM(450, 7.5)0.0380.950
SNV-LS-SVM(720, 4.5)0.0440.925

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