Optimization of Tree-Based Machine Learning Models to Predict the Length of Hospital Stay Using Genetic Algorithm

Figure 3

Predicted values (Y-axis) vs. actual values (X-axis) of LOS for models: (a) KNN. (b) Lm. (c) Lm_transformed. (d) DT_default. (e) DT_GA. (f) ANN. (g) XGB_default. (h) XGB_GA. (i) RF_default. (j) RF_GA.

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