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

Table 5

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

	Neighorhood size	𝐾=1	𝐾=3	𝐾=5	𝐾=7	𝐾=9
Prenorm	Sequence	14, 19, 5, 17, 23, 12, 3, 16, 18, 22, 1, 15, 4, 2, 30, 13, 21, 32, 10, 33, 11, 34, 20, 35, 31, 25, 9, 29, 24, 8, 7, 26, 36, 27, 28, 6
	Length	1	28	28	35	1
	Accuracy	87.50%	89.74%	89.08%	87.24%	81.71%
Norm	Sequence	15, 21, 3, 30, 17, 24, 12, 14, 23, 5, 16, 22, 2, 18, 27, 1, 20, 4, 33, 25, 13, 19, 6, 28, 35, 26, 32, 7, 29, 34, 8, 31, 9, 11, 10, 36
	Length	4	2	2	2	10
	Accuracy	90.00%	94.87%	94.87%	94.74%	95.66%