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Research of algorithm C4.5 and rough sets in data mining

LEI Sheng-kai,HE Jia(School of Computers,CUIT,Chengdu 610225,China)  
The sorting is one of the most important tasks in the data mining and the decision tree and rough set are two main methods used to sort.The classic algorithm C4.5 and rough set are introduced.Due to the deficiency of the algorithm C4.5 a new algorithm IC4.5 is presented.A sorter based on the algorithm C4.5 and rough set is designed.Experiments show that this sorter is better than the algorithm C4.5 with respect to the anti-noise.
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