Research Article
A Parallel Attribute Reduction Method Based on Classification
Table 1
Attribute reduction results of the two algorithms in nonparallel testing.
| Number of data sets | Running time of divide-and-conquer (s) | Running time of classification (s) | Reduction result |
| 97968 | 35.424784 | 40.115938 | 9/41 | 195936 | 64.141747 | 74.01378 | 15/41 | 293904 | 72.875936 | 90.239001 | 19/41 | 391872 | 89.184722 | 113.409269 | 19/41 | 489840 | 105.541708 | 136.741713 | 19/41 | 587808 | 121.805281 | 159.759949 | 19/41 | 685776 | 139.719959 | 183.720615 | 19/41 | 783744 | 159.584528 | 212.715617 | 20/41 | 881712 | 176.411368 | 263.181288 | 20/41 | 979680 | 260.774013 | 329.194148 | 21/41 |
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