Performance Evaluation of Pedestrian Locations Based on Contemporary Smartphones

Table 6

Statistics of differences in east and north components from Test C.

		App #1	App #2	App	App
Mean (m)	E	3.21	3.42	−2.43	−2.35
	N	14.12	14.15	−1.25	−1.27
Std dev (m)	E	2.37	1.99	4.84	4.43
	N	0.72	0.09	2.67	2.65
Max diff (m)	E	4.40	4.40	−56.97	−56.97
	N	14.35	14.35	−26.94	−26.94
RMSE	E	4.00	3.96	5.41	5.02
	N	14.14	14.15	2.95	2.94

the test, Samsung’s applications provided zero records when it was not possible to obtain observations, which were removed from the statistics.