Cai-ling WANG, Bo WANG, Tong JI, Jun XU, Feng JU, Hong-wei WANG. Simulated Estimation of Nitrite Content in Water Based on Transmission Spectrum[J]. Spectroscopy and Spectral Analysis, 2022, 42(7): 2181
- Spectroscopy and Spectral Analysis
- Vol. 42, Issue 7, 2181 (2022)
Fig. 1. Original transmission spectra
Fig. 2. The prediction results of the test set and training set using the full-band random forest model
Fig. 3. Random forest variable importance (IncMSE) graph
Fig. 4. Cross-validation
Fig. 5. The prediction results of the test set and training set of the random forest model
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Table 1. Spectrometer parameters
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Table 2. Spectrometer parameters
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Table 3. Optimize random forest model parameters
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Table 5. Model accuracy test
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