[R] Highlighting different series with colors

From: Valentin Bellassen <vbella_at_lsce.ipsl.fr>
Date: Mon, 25 Feb 2008 21:48:28 +0100


I have a data frame with 3 vectors $x, $y, and $type. I would like to plot $x~$y and having different colors for the corresponding points, one for each level of $type. Would someone know how to do that? Is it possible to then generate a legend automatically?


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