Complexity / 2020 / Article / Fig 13

Research Article

A Machine Learning Approach to Predict Air Quality in California

Figure 13

(a) Nitrogen dioxide observed values (black line) and obtained forecasts with PCA-SVR model (red line) and SVR-RBF model (yellow line). (b, c) Two scatter plots with model’s respective errors plotted against observed NO2 values for the same period.

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