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. 2024 Feb 14;24(4):1225. doi: 10.3390/s24041225

Table 7.

Results of the cement kiln’s supervised learning models when the data are clustered.

Variable Model Type Number of Estimators Max Depth Number of Leaves NRMSE
Calculated NOx TTR - - - 0.99
Kiln Amps XGBoost 50 3 - 0.21
Preheater CO GBR 50 3 - 0.98