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Graphics Interchange Format  |  2000-03-31  |  16.1 KB  |  235x500  |  4-bit (4 colors)
   ocr: Figure 5: Results on the Circle Problem. The circular black region in the figure on the left represents the class of interest. The task of the modeling system is to learn fo predict whether we are in this region or not, based on horizontal and vertical coordinates (the two numeric inputs). The figure in the center is a rule density map of the WizWhy rules discovered in the original data (anly the FTHEN rules are displayed). Shades of gray represent the proportion of rules indicafing that we are in the class of interest (inside the circle), with darker color indicating more rules. Note the rect ...