| A data mining system named 'Practical data miner' has been developed. The system consists of ten parts, that is, Data Collecting, Data Sampling, Data Preprocessing, Visual Explore, Clustering, Modeling(including Neural Nets, Fuzzy System, Regression Model), Predicting, Optimization(Including Association Rule Discovery, Qualitative Analysis, Quantitative Analysis, etc), Trend analysis and Data Management. The main parts is preprocessing, modeling and optimization. | |