Table 1.

Experimental inertial datasets.

Dataset	Sensors	Subjects	Classes ${}^1$	Sampling	Omitted Subjects	Domain	Sensor Placement
MHEALTH	9-axis IMU${}^2$ x3, 2-lead ECG	10	12	100 Hz	0	Exercise	Chest, left ankle, right arm
WISDM	6-axis IMU x2	51	18	20 Hz	4	ADL, Exercise	Right pant pocket, wrist
SPAR	6-axis IMU x1	40	7	50 Hz	0	Physiotherapy	Wrist

¹ The following activities were performed in each dataset. MHEALTH: Standing still, sitting, lying down, walking, climbing stairs, waist bends forward, frontal elevation of arms, knees bending, cycling, jogging, running, jump front and back. WISDM:Walking, jogging, ascending/descending stairs, sitting, standing, kicking a soccer ball, dribbling a basketball, catching a tennis ball, typing, writing, clapping, brushing teeth, folding clothes, eating pasta, eating soup, eating a sandwich, eating chips, drinking from a cup. SPAR: Pendulum, abduction, forward elevation, internal rotation with resistance band, external rotation with resistance band, lower trapezius row with resistance band, bent over row with 3 lb dumbell.