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If more than one categorical attribute were added to the data, Pie chart would have two different modes - Pointer mode and Zoom mode (Figure 7). The default is Pointer mode, so if users would like to look closer at some slice please click the Zoom mode first. ↩ represents Reset zoom.For categorical data, the user can select number of groups in the categorical variable to be binned together. In the figure below, the Classifications variable is binned into groups of 5 (Figure 10).

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