An Improved Stacking Model for Equipment Spare Parts Demand Forecasting Based on Scenario Analysis

Figure 10

Comparison of Model Performance before and after Feature Selection. (a) Performance of model_xgbr before Feature Selection. (b) Performance of model_xgbr after Feature Selection. (c) Performance of model_gbr before Feature Selection. (d) Performance of model_gbr after Feature Selection. (e) Performance of model_rf before Feature Selection. (f) Performance of model_rf after Feature Selection. (score returns the coefficient of determination R^2 of the prediction.).

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