Privacy-Preserving KNN Classification Algorithm for Smart Grid

Table 6

Accuracy of KNN and PPKC.

Car evaluation				Mammographic mass				Electrical grid stability				Letter recognition
No		Accuracy		No		Accuracy		No		Accuracy		No		Accuracy
		KNN (%)	PPKC (%)			KNN (%)	PPKC (%)			KNN (%)	PPKC (%)			KNN (%)	PPKC (%)
1	1	89.975	89.975	1	1	70.869	70	1	1	74.9	74.95	1	1	95.674	95.674
2	2	89.329	89.024	2	2	73.043	73.913	2	2	76.05	75.9	2	2	94.025	94.125
3	3	88.719	88.648	3	3	76.956	76.521	3	3	76.95	76.85	3	3	94.674	94.575
4	5	78.963	78.963	4	5	74.347	74.347	4	5	77.3	77.1	4	5	94.174	94.025
5	10	65.853	65.548	5	10	74.782	74.347	5	10	78.55	78.4	5	10	92.025	91.825