Dear All R Users:
What I need to do is to plot two elipses in the same graph (one for each group). You can use either X1 or X2 as the X-axis and the other variable as the Y-axis. Also I need to show the 95% C.I. or P.I. of the overlapping part of the two elipses. With many thanks. Data can be found at http://www.usm.maine.edu/~aaboueissa/Rhelps/dataelipse.txt Thank you so much for your helps. Ali [[alternative HTML version deleted]]
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