Performance Evaluation of Pedestrian Locations Based on Contemporary Smartphones

Table 7

Statistics of estimated horizontal error from Test B and Test D.

	Test	App #1	App #2	App #	App #
Mean (m)	B	1.85	1.85	2.27	2.27
	D	7.92	7.94	8.01	8.01
Std dev (m)	B	1.35	1.34	1.85	1.85
	D	5.60	5.57	5.19	5.19
Max diff (m)	B	6.48	6.46	10.67	10.67
	D	23.16	23.19	17.74	17.74
RMSE	B	2.29	2.29	2.93	2.93
	D	9.69	9.68	9.54	9.54

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