Table 4 R2 and RMSE summary of the different ML model’s prediction.

From: Data-driven models to predict shale wettability for CO2 sequestration applications

 

R2

RMSE

Training

Testing

Validation

Training

Testing

Validation

ANN

0.99

0.98

0.96

2

4

5

ANFIS

0.99

0.97

0.95

3

5

6

SVM

0.99

0.94

0.88

3

7

9