This only works if the user
clicks and drags from the upper left to the lower right. Other directions will draw the
rubber band but not display the menu.
In order to provide even more information, it??™s possible to make the dots more
useful. For example, are most of the high-margin items in the Accessories category?
Are they in clothing, or bikes, or some other category? Fortunately, there??™s a way
to change the color and shape of the dots to represent values at other levels of the
hierarchy.
Right-clicking in an empty area of the perspective chart will show a menu with
an option named Data Point Attributes. This will show a dialog box in which the
user can select a member of a hierarchy and make any dots that belong to that
member have a specific color and shape. In this case, the dots represent individual
products. Custom data point attributes could be placed at either of the two levels
above product, in this case the category or subcategory. Because there are so many
subcategories, this example will choose just the four categories of Accessories,
Bikes, Clothing, and Components. The user selects one of the categories and assigns
a color and a shape to it and then clicks the Add button. Figure 6-49 shows what the
Data Point Attributes dialog box might look like when the user is done. Clicking the
OK button returns the user to the perspective chart.
C h a p t e r 6 : A n a l y s i s w i t h P e r f o r m a n c e P o i n t S e r v e r a n d P r o C l a r i t y 197
Once data point attributes have been set, the perspective chart shows additional
information and becomes more useful.
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