Table 6 Performance indices for meta‐heuristic algorithms‐based models during the testing phase.

From: Proportional impact prediction model of coating material on nitrate leaching of slow-release Urea Super Granules (USG) using machine learning and RSM technique

Machine learning algorithms

Testing

R

MAE

RMSE

NSE

WI

ANN

0.86

0.11

0.13

0.73

0.92

SVM

0.87

0.10

0.12

0.75

0.93

M5P

0.85

0.10

0.13

0.72

0.91

RF

0.84

0.11

0.13

0.69

0.90

REPTree

0.85

0.11

0.13

0.71

0.91

RSM

0.93

0.11

0.13

0.87

0.96

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