Regularized Embedded Multiple Kernel Dimensionality Reduction for Mine Signal Processing

Table 3

NMI of different dimensionality reduction algorithms for the clustering task.

Datasets	MKL-TR	MKL-SRTR	MKL-DR	MKL-EGE
Ionosphere	0.1336	0.1422	0.1292	0.1829
Sonar	0.0045	0.0004	0.0004	0.0047
USPS	0.5725	0.6069	0.5451	0.5771
Isolet	0.9474	0.9332	0.9237	0.9612
MINIST	0.7287	0.7342	0.7083	0.7957
Yale	0.5414	0.5989	0.5212	0.6305
PIE	0.0390	0.0629	0.0351	0.1426
ORL	0.7813	0.7753	0.7588	0.8061
COIL-20	0.7095	0.6995	0.6859	0.7034
20NG (comp)	0.3224	0.3173	0.3094	0.5536
20NG (rec)	0.7797	0.7497	0.7241	0.8502
20NG (sci)	0.7468	0.7372	0.6205	0.8147
20NG (talk)	0.3954	0.3489	0.3328	0.5829