Table 4 Evaluation metrices of applied models.

From: Hydro-chemical based assessment of groundwater vulnerability in the Holocene multi-aquifers of Ganges delta

Models

Stage

Parameters

Kappa

F-Score

Sensitivity

Specificity

PPV

NPV

AUC

LR

Train

0.741

0.749

0.752

0.721

0.749

0.532

0.811

Validation

0.721

0.722

0.711

0.701

0.712

0.513

0.792

RF

Train

0.821

0.812

0.813

0.825

0.817

0.63

0.863

Validation

0.782

0.751

0.794

0.744

0.792

0.601

0.841

ANN

Train

0.907

0.903

0.901

0.901

0.912

0.651

0.912

Validation

0.889

0.891

0.883

0.885

0.902

0.643

0.882

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