Table 4. Number of NAWL words (n = 2902) representing distinct basic emotions as classified with different methods [7, 16].

For Euclidean distance (ED) based classification method following threshold values were used: 2.5 for happiness, 5.5 for anger, sadness, fear, disgust; 2.5 for the neutral class.

	Briesemeister et al. (2011)—liberal	Briesemeister et al. (2011)—conservative	Mikels et al. (2005)	ED based classification method
Happiness	1669	771	1150	147
Anger	330	7	23	98
Sadness	215	13	35	64
Fear	499	15	57	163
Disgust	148	10	24	48
Neutral	-	-	-	219
blended	-	-	158	-
Undifferentiated /unclassified	41	2 086	1455	2163