Smartwatch-Based Legitimate User Identification for Cloud-Based Secure Services

Table 5

Statistical results for four different classifiers using magnetometer sensor data.

Metric	Method	User 1	User 2	User 3	User 4	User 5	User 6
TPR	DT	0.7450	0.8412	0.7326	0.7289	0.7805	0.8379
	SVM	0.6206	0.6465	0.5211	0.6079	0.6919	0.7178
	KNN	0.6639	0.7331	0.6358	0.6299	0.7144	0.8324
	NB	0.4961	0.582	0.4472	0.4060	0.6018	0.4312
TNR	DT	0.9424	0.9601	0.9557	0.9597	0.9501	0.9650
	SVM	0.9226	0.9263	0.9151	0.9337	0.9211	0.9385
	KNN	0.9425	0.9529	0.9320	0.9373	0.9359	0.9363
	NB	0.8403	0.9139	0.9079	0.9203	0.8990	0.8922
FPR	DT	0.2549	0.1588	0.2674	0.2711	0.2195	0.1621
	SVM	0.3793	0.3534	0.4789	0.3921	0.3081	0.2822
	KNN	0.3361	0.2669	0.3642	0.3700	0.2856	0.1676
	NB	0.5039	0.4177	0.5528	0.5939	0.3982	0.5688
FNR	DT	0.0576	0.0399	0.0443	0.0403	0.0499	0.0349
	SVM	0.0774	0.0737	0.0849	0.0663	0.0789	0.0615
	KNN	0.0575	0.0471	0.0679	0.0627	0.064	0.0637
	NB	0.1597	0.0861	0.0921	0.0797	0.1009	0.1078
PPV	DT	0.7450	0.8411	0.7326	0.7289	0.7805	0.8379
	SVM	0.6208	0.6466	0.5211	0.6079	0.6919	0.7178
	KNN	0.6639	0.7331	0.6358	0.6299	0.7144	0.8324
	NB	0.4961	0.5823	0.4472	0.4060	0.6018	0.4312
NPV	DT	0.9424	0.9601	0.9557	0.9597	0.9501	0.9650
	SVM	0.9226	0.9263	0.9151	0.9337	0.9211	0.93847
	KNN	0.9425	0.9529	0.9320	0.9373	0.9359	0.9363
	NB	0.8403	0.9139	0.9078	0.9203	0.8990	0.8922
SEN	DT	0.6941	0.8020	0.7966	0.8022	0.7038	0.8429
	SVM	0.5789	0.6489	0.5979	0.6580	0.5434	0.7344
	KNN	0.7131	0.7684	0.6821	0.6868	0.6172	0.70545
	NB	0.3209	0.5525	0.5364	0.5922	0.3555	0.5220
SPE	DT	0.9547	0.9692	0.9379	0.9404	0.9661	0.9637
	SVM	0.9341	0.9256	0.8874	0.9190	0.9566	0.9335
	KNN	0.9287	0.9437	0.9177	0.9206	0.9577	0.9682
	NB	0.9164	0.9230	0.8732	0.8445	0.9606	0.8517
FDR	DT	0.2549	0.1588	0.2674	0.2711	0.2195	0.1621
	SVM	0.3792	0.3534	0.4789	0.3921	0.3081	0.2822
	KNN	0.3361	0.2669	0.3642	0.3700	0.2856	0.1676
	NB	0.5039	0.4177	0.5528	0.5939	0.3982	0.5688
FOR	DT	0.0576	0.0399	0.0443	0.0403	0.0499	0.0349
	SVM	0.0774	0.0737	0.0849	0.0663	0.0789	0.0615
	KNN	0.0575	0.04709	0.0679	0.0627	0.064	0.0637
	NB	0.1597	0.0861	0.0921	0.0797	0.1009	0.1078
ACC	DT	0.9129	0.9409	0.9129	0.9174	0.9277	0.9418
	SVM	0.8784	0.8777	0.8382	0.8772	0.8937	0.8962
	KNN	0.8931	0.9143	0.8768	0.8822	0.9079	0.9202
	NB	0.7949	0.8628	0.8192	0.8061	0.8738	0.7933