Download Exploring Spatial Data with GeoDaTM : A Workbook

Figure 7.15: Box plot using 3.0
as hinge.
Figure 7.14: Box plot using 1.5
as hinge.
Figure 7.16: Changing the hinge criterion for a box plot.
> Hinge from the menu, or by right clicking in the box plot itself, as shown
in Figure 7.16. Select 3.0 as the new criterion and observe how the number
of outliers gets reduced to 2, as in the right hand panel of Figure 7.15.
Specific observations in the box plot can be selected in the usual fashion,
by clicking on them, or by click-dragging a selection rectangle. The selection is immediately reflected in all other open windows through the linking
mechanism. For example, make sure you have the table and base map open
for the St. Louis data. Select the outlier observations in the box plot by
dragging a selection rectangle around them, as illustrated in the upper left
panel of Figure 7.17 on p. 52. Note how the selected counties are highlighted
in the map and in the table (you may need to use the Promotion feature to
get the selected counties to show up at the top of the table). Similarly, you
can select rows in the table and see where they stack up in the box plot (or
any other graph, for that matter).
Make a small selection rectangle in the box plot, hold down the Control
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