Journal of Analytical Methods in Chemistry / 2019 / Article / Fig 3

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

Figure 3

Optimization of LS-SVM model parameters (group A, 1–40; group B, 41–80). (a) Smoothing. (b) D2. (c) SNV.

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