Parallel Nonnegative Matrix Factorization with Manifold Regularization

Table 1

Statistics of benchmark datasets.

	Reuters	TDT2	MNIST	COIL
Number of samples	21578	64527	70000	7200
Number of samples used	8067	9394	10000	7200
Number of attributes	18933	36771	784	1024
Number of clusters	135	100	10	100
Number of clusters used	30	30	10	100
Max. cluster size	3713	1844	1135	72
Min. cluster size	18	52	892	72
Med. cluster size	45	131	1009	72
Avg. cluster size	269	313	1000	72