The Start of Combustion Prediction for Methane-Fueled HCCI Engines: Traditional vs. Machine Learning Methods

Figure 4

The residual of employed models in the test dataset. (a) LOS. (b) Lasso. (c) Ridge. (d) SVR_linear. (e) BR. (f) Huber. (g) Robust RANSAC. (h) SVR_rbf. (i) Nearest neighbors. (j) Decision tree. (k) MLP neural network.

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