An Efficient and Fast Model Reduced Kernel KNN for Human Activity Recognition

Table 4

The distribution of K neighbors in benchmarks and real-world data.

Benchmarks	K number of neighbors
	2	3	4	5	6	7	8
Iris	94.70	95.20	91.73	88.53	89.47	85.26	89.95
Heart	91.66	88.13	88.89	88.93	89.43	89.46	88.18
Breast	82.77	81.25	80.62	80.13	79.38	78.02	78.14
Diabetes	84.32	84.28	83.45	84.58	84.39	84.46	84.67
Seed	96.03	97.36	94.01	92.66	93.78	94.71	94.02
Thyroid	97.67	97.09	96.71	96.09	95.92	93.08	94.42
Banana	94.67	94.08	93.35	93.08	93.91	93.28	93.16
Image	99.04	98.56	98.21	98.24	97.80	97.52	97.87
Ringnorm	92.83	76.87	74.81	74.74	74.21	73.82	73.56
Splice	93.51	91.91	93.39	93.36	92.68	93.00	95.46
Human activity data	3	4	5	6	7	8	9
HAPT	85.93	88.32	90.51	91.60	90.32	86.62	84.34
Smartphone	88.60	89.23	91.28	92.67	87.83	87.98	85.39