Modified Mahalanobis Taguchi System for Imbalance Data Classification

Table 7

Classification results for AC welding dataset with IR 548.

Classifier type	Repetition	Threshold	Specificity	Sensitivity	Precision
MMTS	1	4.661	99.392	75.000	99.195	86.339	85.417
	2	1.588	87.319	100.000	88.746	93.444	94.037
	3	6.415	99.345	75.000	99.134	86.318	85.395
	4	2.339	95.367	100.000	95.572	97.656	97.736
	5	1.858	91.015	100.000	91.756	95.402	95.701
	6	2.929	98.549	100.000	98.570	99.272	99.280
	7	2.789	98.315	100.000	98.343	99.154	99.165
	8	1.653	89.190	100.000	90.245	94.441	94.872
	9	1.254	79.551	100.000	83.023	89.191	90.724
	10	3.074	98.690	100.000	98.707	99.343	99.349
PTM	1	3.803	98.549	75.000	98.103	85.972	85.010
	2	3.718	98.737	75.000	98.343	86.054	85.100
	3	3.279	96.912	75.000	96.045	85.255	84.228
	4	2.312	95.087	100.000	95.317	97.512	97.602
	5	4.416	99.438	25.000	97.803	49.859	39.821
	6	2.503	97.099	100.000	97.181	98.539	98.570
	7	2.112	95.367	100.000	95.572	97.656	97.736
	8	4.775	99.064	50.000	98.163	70.379	66.253
	9	3.137	95.929	75.000	94.851	84.821	83.766
	10	2.492	96.912	100.000	97.004	98.444	98.479
SVM	1	—	99.953	25.000	99.813	49.988	39.985
	2	—	100.000	50.000	100.000	70.711	66.667
	3	—	99.953	75.000	99.938	86.582	85.691
	4	—	99.953	75.000	99.938	86.582	85.691
	5	—	100.000	25.000	100.000	50.000	40.000
	6	—	99.906	50.000	99.813	70.678	66.625
	7	—	99.906	50.000	99.813	70.678	66.625
	8	—	100.000	25.000	100.000	50.000	40.000
	9	—	99.953	75.000	99.938	86.582	85.691
	10	—	99.953	25.000	99.813	49.988	39.985
NB	1	—	100.000	25.000	100.000	50.000	40.000
	2	—	100.000	25.000	100.000	50.000	40.000
	3	—	99.906	0.000	0.000	0.000	NaN
	4	—	100.000	25.000	100.000	50.000	40.000
	5	—	99.953	0.000	0.000	0.000	NaN
	6	—	100.000	0.000	NaN	0.000	NaN
	7	—	100.000	25.000	100.000	50.000	40.000
	8	—	100.000	0.000	NaN	0.000	NaN
	9	—	99.906	0.000	0.000	0.000	NaN
	10	—	99.953	0.000	0.000	0.000	NaN
MGA	1	1.000	77.164	100.000	81.410	87.843	89.752
	2	1.000	77.118	100.000	81.379	87.817	89.733
	3	1.000	76.977	100.000	81.286	87.737	89.677
	4	1.000	77.164	100.000	81.410	87.843	89.752
	5	1.000	76.837	100.000	81.193	87.657	89.621
	6	1.000	77.492	100.000	81.627	88.029	89.884
	7	1.000	77.211	100.000	81.441	87.870	89.771
	8	1.000	77.164	100.000	81.410	87.843	89.752
	9	1.000	77.164	100.000	81.410	87.843	89.752
	10	1.000	77.632	100.000	81.721	88.109	89.941

NAN since the dominator is zero.