Table 3 Confusion matrix for valence recognition using the final feature set. Values are expressed as percentages.

From: Assessing Autonomic Function from Electrodermal Activity and Heart Rate Variability During Cold-Pressor Test and Emotional Challenge

Feature set (Final)PleasantUnpleasant
Pleasant69.23%30.77%
Unpleasant23.08%76.92%
Recognition accuracy: 73.08%