Table 11 Prototypicality effect: classification accuracies (acc), mean precision (pre), and mean recall (rec) for training with the training and development instances of AllInst, and testing on those of AllInst, Min2/4, and Min3/4. NoLyr feature set, V3 and A3 tasks, selection by SFFS (of the 286 original features 131 are found as optimal for the A3, and 132 for the V3 task).
From: Determination of Nonprototypical Valence and Arousal in Popular Music: Features and Performances
Type | Arousal | Valence | ||||
|---|---|---|---|---|---|---|
% | acc | pre | rec | acc | pre | rec |
AllInst | 58.5 | 57.6 | 58.8 | 53.3 | 52.6 | 54.1 |
Min2/4 | 60.1 | 59.4 | 61.1 | 54.8 | 54.4 | 56.7 |
Min3/4 | 61.4 | 61.2 | 65.5 | 60.9 | 61.7 | 64.9 |
with feature selection | ||||||
AllInst | 61.0 | 60.0 | 61.2 | 55.2 | 54.5 | 56.2 |
Min2/4 | 63.0 | 62.5 | 64.1 | 57.2 | 56.8 | 59.6 |
Min3/4 | 64.1 | 64.5 | 68.6 | 60.9 | 61.1 | 64.8 |