And believe it or not, those screaming faces Sarasti used near the end of the book represent a very real form of statistical analysis: Chernoff Faces [143], which are more effective than the usual graphs and statistical tables at conveying the essential characteristics of a data set [144].
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143 Chernoff, H. 1973. Using faces to represent points in k-dimensional space graphically. Journal of the Americal Statistical Association 68:361–368.
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144 Wilkinson, L. 1982. An experimental evaluation of multivariate graphical point representations. Human Factors in Computer Systems: Proceedings. Gaithersberg, MD, 202–209.