An application of a relatively new method of depicting multivariate data graphically, this article presents a method developed by Chernoff consisting of representing a point in k-dimensional space as a cartoon of a face. The authors briefly describe the mechanics of constructing a face as well as the geometric relationships involved, illustrate the use of faces as a method of portraying multivariate data graphically, and exemplify the use of this method in detecting subtle, yet potentially significant relationships among variables.
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