The effectiveness of simple heuristic features in sensor orientation and placement problems in human activity recognition using a single smartphone accelerometer

Table 7 Properties of the validation procedure for each model in each iteration of the Leave-10-Subject-Out Cross-Validation technique

Positions of smartphone			Number of participants		Parameter values
Training data	Test data for intra-position validation	Test data for inter-position validation	Training set	Test set	Window size	Batch Size
Pocket	Pocket	Backpack and hand	30	10	65	2000
Backpack	Backpack	Pocket and hand	30	10	65	2000
Hand	Hand	Pocket and backpack	30	10	65	2000

ISSN: 1475-925X