Table 4 Performance evaluation measures.

From: An AI-driven tools assessment framework for english teachers using the Fuzzy Delphi algorithm and deep learning

Metrics

Equation

Accuracy

\(\:\frac{TP+TN}{TF+FN+FP+TP}\)

Precision

\(\:\frac{TP}{TP+FP}\)

Recall

\(\:\frac{TP}{TP+FN}\)

F1-score

\(\:\frac{2\left(Precision*Recall\right)}{Precision+Recall}\)