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Table 4 Evaluation Metrics Equations for NER

From: Automatic de-identification of French electronic health records: a cost-effective approach exploiting distant supervision and deep learning models

Metric

Equation

Precision

\({\text{P}}={\text{TP}}/({\text{TP}}+{\text{FP}})\)

Recall

\({\text{R}}={\text{TP}}/({\text{TP}}+{\text{FN}})\)

F1-Score

\({\text{F}}1=2 *{\text{P}}*{\text{R}}/({\text{P}}+{\text{R}})\)