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. 2023 Apr 5;13:5568. doi: 10.1038/s41598-023-31022-y

Table 2.

Comparison index performance of R2.

Model Comparison index of training set R2 Comparison index of testing set R2
Min Max Mean Std Min Max Mean Std
GA–SVR 0.9882 0.9963 0.9916 0.0027 0.8235 0.8661 0.8488 0.0115
SVR 0.6958 0.6958 0.6958 0.0000 0.6899 0.6899 0.6899 0.0000
BP 0.3468 0.7106 0.5483 0.0967 0.3627 0.6050 0.5157 0.0631
RF 0.9238 0.9325 0.9283 0.0023 0.6655 0.6982 0.6882 0.0072

The optimal values of each evaluation index are in [bold].