Sentiment analysis based on rhetorical structure theory:Learning deep neural networks from discourse trees
Table 4: Predictive performance reported for the test set from the IMDb dataset.
['[BOLD] Method', '[BOLD] Variant', '[BOLD] Data augmentation', '[BOLD] Balanced accuracy', '[BOLD] F1-score']
The random forest with tf-idf achieves a performance superior to the previous task, yielding an accuracy of 0.825 and an F1-score of 0.823.