Table 4.

Classifier results with feature selection of accelerometer, gyroscope, and magnetometer.

S. No	Activities	KNN (K = 3)	KNN (K = 5)	KNN (K = 7)	KNN (K = 11)	SVM	Naive Bayes
1	A1: Left movement	99.20	99.91	99.91	99.92	99.99	98.51
2	A2: Right movement	99.97	99.97	99.97	99.95	99.98	99.06
3	A3: Front movement	99.96	99.96	99.96	99.94	99.98	99.15
4	A4: Back movement	99.67	99.72	99.70	99.68	99.76	91.89
5	A5: Straight movement	99.89	99.58	98.31	97.68	99.77	98.71