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Plotting Two or More Data Sets Together

Until now, most of the plots we have seen show only one data set. Often, as in figure 3.1, on page [*], it may be useful to plot two or more data sets together. There are several ways to arrange more than one plot on a page or window. This chapter shows first how you can overlay plots; how you can use different plot styles and create legends (or keys) so that overlaid plots can be distinguished; and finally how you can arrange plots side-by-side on a page or window.


George B. Moody (