Parallel Attribute Reduction Algorithm for Complex Heterogeneous Data Using MapReduce

Table 2

Datasets.

	Dataset	Record number	Attribute number	Class number
1	DS1	30,700,000	35	19
2	DS2	2,458,285	68	3
3	DS3	5,000,000	18	2
4	DS4	3,850,505	52	2
5	DS5	1,025,010	11	10
6	DS6	4,898,421	41	23