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devenezia
2010 Sep 23
4
Simple categorical scatter plot
New to R. I am trying to create a simple xy plot wherein the line
segment color is determined by a categorical column
The following does not change colors for me, probably because I don't
quite have a handle on either functions or value mapping syntax.
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time <- c(1, 2, 3, 7,10,11,14,16,20)
pressure <- c(0,10,20,20,50,18,60,65,90)
status <- c(0, 0, 1, 1, 1, 0, 3, 3,