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Graphical representation of multivariate data using Chernoff faces

Author

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  • Rafal Raciborski

    (Emory University)

Abstract

Chernoff (1971, Technical Report 71, Department of Statistics, Stan- ford University; 1973, Journal of the American Statistical Association 68: 361– 368) proposed the use of cartoon-like faces to represent points in k dimensions. This article describes a Stata implementation of a face-generating algorithm using the method proposed by Flury (1980, Technical Report 3, Institute of Mathemati- cal Statistics and Actuarial Science, Bern University), Schu ̈pbach (1987, Technical Report 25, Institute of Mathematical Statistics and Acturial Science, Bern Univer- sity), and Friendly (1991, http://www.math.yorku.ca/SCS/sasmac/faces.html). I present examples of applying Chernoff faces to data clustering and outlier detection. Copyright 2009 by StataCorp LP.

Suggested Citation

  • Rafal Raciborski, 2009. "Graphical representation of multivariate data using Chernoff faces," Stata Journal, StataCorp LP, vol. 9(3), pages 374-387, September.
    • Handle: RePEc:tsj:stataj:v:9:y:2009:i:3:p:374-387
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    Citations

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    Cited by:

    1. Constanza Martínez & Freddy Cepeda, 2015. "Reaction Functions of the Participants in Colombia’s Large-value Payment System," Borradores de Economia 875, Banco de la Republica de Colombia.
    2. Campbell, Colin L. & Berthon, Pierre R. & Pitt, Leyland F. & McCarthy, Ian & Plangger, Kirk, 2012. "Making a face: Graphical illustrations of managerial stances toward customer creativity," Australasian marketing journal, Elsevier, vol. 20(1), pages 9-15.

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    Keywords

    chernoff; Chernoff faces; graphs;
    All these keywords.

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