Table 11 Proposed model’s validation on the external dataset.

From: Ensemble stacked model for enhanced identification of sentiments from IMDB reviews

Metric

Mean ± Standard Deviation

Accuracy

0.9229 ± 0.0097

Precision

0.9246 ± 0.0085

Recall

0.9229 ± 0.0097

F1 score

0.9221 ± 0.0101