Uncertainty Measurement and Attribute Reduction Algorithm Based on Kernel Similarity Rough Set Model

Table 5

Length comparison of attribute reduction results.

Data sets	Original data	The comparison Algorithm 1	The comparison Algorithm 2	The comparison Algorithm 3	The algorithm proposed in this paper
wine	13	10.2	8.7	9.3	8.2
sonar	60	12.7	13.5	10.2	9.4
iono	34	9.3	10.5	7.9	8.3
wdbc	31	12.2	9.5	10.3	9.4
biodeg	41	13.0	12.5	12.2	11.2
messidor	19	11.2	10.8	9.8	10.2
winequality-red	11	11.0	10.6	11.0	10.4
winequality-white	11	11.0	11.0	10.5	10.5
magic	10	6.7	8.0	7.8	7.2
average	25.6	10.8	10.5	9.8	9.4

The best experimental results are highlighted in bold.