Table 2.

MAE (mean absolute error), precision, recall, and F1-score provided by inter and intra-subject approach for Heel-Strike (HS) prediction

HS	MAE (ms)		Precision		Recall		F1-score
Subject	Inter	Intra	Inter	Intra	Inter	Intra	Inter	Intra
1	14.7	11.5	1.00	1.00	1.00	1.00	1.00	1.00
2	29.7	17.3	0.99	1.00	0.99	0.99	0.99	1.00
3	19.6	17.4	0.97	1.00	0.99	1.00	0.98	1.00
4	12.8	10.3	1.00	1.00	1.00	0.99	1.00	1.00
5	26.4	8.5	1.00	1.00	1.00	0.99	1.00	0.99
6	11.5	7.4	1.00	1.00	1.00	0.99	1.00	0.99
7	19.0	16.6	1.00	1.00	1.00	0.99	1.00	1.00
8	25.6	16.2	0.99	1.00	1.00	0.99	1.00	1.00
9	19.9	15.5	1.00	1.00	1.00	1.00	1.00	1.00
10	27.5	16.1	0.99	1.00	0.99	0.99	0.99	0.99
11	9.3	9.2	1.00	1.00	0.98	0.98	0.99	0.99
12	8.0	6.8	1.00	1.00	1.00	0.99	1.00	0.99
13	22.0	16.3	1.00	1.00	0.98	0.99	0.99	0.99
14	20.3	15.0	1.00	1.00	1.00	1.00	1.00	1.00
15	19.3	13.1	1.00	1.00	1.00	1.00	1.00	1.00
16	15.3	10.6	1.00	1.00	1.00	1.00	1.00	1.00
17	36.5	9.2	1.00	1.00	1.00	1.00	1.00	1.00
18	10.8	11.5	1.00	1.00	1.00	1.00	1.00	1.00
19	10.8	17.3	1.00	1.00	1.00	0.99	1.00	1.00
20	11.7	17.4	1.00	1.00	1.00	1.00	1.00	1.00
21	21.3	23.1	0.98	0.95	0.97	0.96	0.97	0.96
22	29.3	20.2	1.00	0.99	1.00	0.96	1.00	0.98
23	9.9	24.0	1.00	0.99	1.00	0.99	1.00	0.99
Mean	18.7*	14.4	0.997	0.996	0.996	0.991	0.996	0.993
SD	7.8	4.7	0.008	0.010	0.009	0.011	0.008	0.010

* p < 0.05 between inter and intra-subject approach