Multiple Kernel Spectral Regression for Dimensionality Reduction

Table 2

Clustering accuracy (in percent) based on different DR methods.

Data	Baseline	SR	KSR	KPCA	MKL-SR
Ionosphere	75.1±0.8	80.6±0.5	85.6±0.4	85.2±0.3	89.5±0.2
Letter A-B	86.2±0.6	89.4±0.4	90.7±0.3	91.4±0.3	93.4±0.3
Satellite C1-C2	95.7±0.7	96.3±0.2	97.3±0.3	97.3±0.3	98.7±0.2
Digits 0689	90.3±0.4	92.5±0.3	93.6±0.3	94.6±0.2	95.6±0.2
Digits 1279	93.4±0.2	94.3±0.2	95.7±0.3	94.5±0.2	96.8±0.2