Click here to see the SAS code.
Click here to see the example.


When a bar has a near-zero height, there is not enough physical bar area 
for the user to mouse-over and drill-down on. See bar2d.htm ...


One possible work-around is to annotate some 'invisible' polygon with
a mouseover/drilldown (but that's a lot of work).  

An easy work-around is to use a 3d bar chart - the 3d cross-section of the
near-zero bar still gives the user something to mouseover/click-on.
(If your value *is* zero, you'll have to tweak the data and make it *almost*
zero, but not quite.)


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