Star Plot

Star Plots allow you to compare multiple variables. You can compare any number of variables to see how they may or may not relate to one another. Radii (half a diameter of a circle), represent each plotted variable. The proper name for a radii in a Star Plot is equi-angular spoke. It is a way of showing multivariate data.

The graph shown is a Star Plot of Motor Trend Cars seven rating areas. The areas that are being rated: disp, cyl, mpg, qsec, draf, hp. The larger the area is on the Star Plot, the greater the amount of the variable.

http://addictedtor.free.fr/graphiques/graphcode.php?graph=63