Table 1.

Activity class constitution and number of samples in OPPORTUNITY dataset; the same class label constitution applied to both the lower and upper body sensor data.

Class Division	Up		Down		Total
	Stand	Walk	Sit	Lie
Train	13,250	7403	6874	1411	28,938
Validate	5964	3216	3766	663	13,609
Test	5326	3885	3460	793	13,464