The above three DM tasks receive by far the most attention within the DM field and algorithms for performing such tasks are typically included in DM tools. While classification and regression are of predictive nature, cluster analysis and association analysis are of descriptive nature. Subgroup discovery is at the boundary between predictive and descriptive tasks. Several additional DM tasks are of descriptive nature, including data characterization and discrimination, outlier analysis, and evolution analysis.
Was this article helpful?