Let's Practice What We Preach

Statisticians recommend graphical displays but often use tables to present their own research results. Could graphs do better? We study the question by going through the tables in a recent issue of the Journal of the American Statistical Association . We show how it is possible to improve the presentationsusing graphs that actually take up less space than the original tables. We Žnd a particularly effective tool to be multiple repeated line plots, with comparisons of interest connected by lines and separate comparisons isolated on different plots.

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