Table 3 True-positive rate, true-negative rate, positive predictive value, negative predictive value and F-score sentiment classification quality measures of RNN classifier and dictionary method for positive, neutral and negative sentiment labels and overall means of presented measures
RNN | Dictionary | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
TPR | TNR | PPV | NPV | F1-score | TPR | TNR | PPV | NPV | F1-score | |
Positive label | 0.87 | 0.57 | 0.73 | 0.77 | 0.79 | 0.64 | 0.71 | 0.74 | 0.60 | 0.69 |
Neutral label | – | 1.00 | – | 0.93 | – | – | 0.91 | – | 0.94 | – |
Negative label | 0.57 | 0.82 | 0.65 | 0.77 | 0.61 | 0.66 | 0.73 | 0.58 | 0.79 | 0.61 |
Mean | 0.72 | 0.80 | 0.69 | 0.82 | 0.70 | 0.65 | 0.78 | 0.66 | 0.78 | 0.65 |