A star plot allows for the comparison of multiple variables of different types of data. For example, here the model is comparing 1-9 different types of data of 16 different cars. Note the similarities between the Buick Electra and the Cadillac DeVille.
(http://images.google.com/imgres?imgurl=http://www.itl.nist.gov/div898/handbook/eda/section3/gif/starplot.gif&imgrefurl=http://www.itl.nist.gov/div898/handbook/eda/section3/starplot.htm&usg=__brRSSJMv9BmxEcBW7Lip5DAHakA=&h=280&w=380&sz=4&hl=en&start=2&um=1&itbs=1&tbnid=Zy5ubhyj-artSM:&tbnh=91&tbnw=123&prev=/images%3Fq%3D%2522star%2Bplot%2522%26um%3D1%26hl%3Den%26client%3Dfirefox-a%26sa%3DG%26rls%3Dorg.mozilla:en-US:official%26tbs%3Disch:1)
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