Using the K-Nearest Neighbor Algorithm for the Classification of Lymph Node Metastasis in Gastric Cancer

Table 6

Classification performance of mRMR-KNN (MID) with different neighborhood sizes.

	Neighborhood size	𝐾=1	𝐾=3	𝐾=5	𝐾=7	𝐾=9
Prenorm	Sequence	12, 26, 22, 18, 3, 30, 14, 6, 19, 16, 36, 2, 17, 5, 1, 24, 35, 15, 23, 4, 34, 13, 29, 21, 7, 31, 11, 32, 25, 20, 9, 28, 33, 10, 8, 27
	Length	1	26	26	26	20
	Accuracy	87.50%	90.39%	89.34%	87.11%	82.50%
Norm	Sequence	15, 21, 2, 30, 24, 17, 5, 14, 23, 12, 18, 22, 27, 4, 16, 33, 7, 1, 20, 25, 13, 3, 29, 19, 6, 35, 28, 31, 8, 32, 26, 11, 34, 36, 9, 10
	Norm	Length	4	2	2	16
	Accuracy	89.74%	94.87%	94.87%	95.66%	95.26%