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. 2021 Dec 6;4:729834. doi: 10.3389/frai.2021.729834

FIGURE 4.

FIGURE 4

Evaluation and validation of the document classification models. (A) Confusion matrix obtained from evaluation of the AI model using FDA test documents. (B) Confusion matrix obtained from evaluation of the hybrid deep learning-based model using FDA test documents. (C) Confusion matrix obtained from evaluation of the keywords-based model using FDA test documents. (D) Confusion matrix obtained from evaluation of the AI model using EMA validation documents. (E) Confusion matrix obtained from evaluation of the hybrid deep learning-based model using EMA validation documents. (F) Confusion matrix obtained from evaluation of the keywords-based model using EMA validation documents.