Multiple Kernel Spectral Regression for Dimensionality Reduction

Table 1

Description of the datasets.

Data	Size (𝑛)	Feature (𝑑)	Class
Ionosphere	351	34	2
Letter A-B	1555	16	2
Satellite C1-C2	2236	36	2
Digits 0689	713	64	4
Digits 1279	718	64	4
CMU PIE	850	1024	5
Extended Yale B	2114	1024	38