Rough Sets: Theoretical Aspects of Reasoning about Data
Rough Sets: Theoretical Aspects of Reasoning about Data
Database Mining on Derived Attributes
TSCTC '02 Proceedings of the Third International Conference on Rough Sets and Current Trends in Computing
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The effects of attribute transformations on numerical data mining are investigated. Theoretical examples from classical mathematics are used to illustrate its critical-ness. The simplest kind of attribution transformations, linear transformations, is applied to stock market and economic data. Some useful "predictive" rules are generated. Here "predictive" is used in the sense that the logical patterns involve time elements.