|Search Locate Previous Next||Contents| Accepts a vector of
numbers and draws a Venn diagram This draws a correctly
proportioned chart for the two circles and overlap. You may also
pass an array of 7 numbers, giving the values for 3 circles and
the 4 overlap possibilities. In this case a simple cloverleaf
diagram is drawn, as it is not possible to draw the diagram with
simple shapes and have all the areas proportioned correctly. Use
the XLabels to caption each of the 3 regions, or Value tags if
you prefer to have the legend written inside each region.
Alternatively, you may use the Legend to key each circle (2 or 3
legend entries depending on the number of circles).