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re: st: Altering individual data markers in a graph


From   David Airey <david.airey@Vanderbilt.Edu>
To   Statalist <statalist@hsphsun2.harvard.edu>
Subject   re: st: Altering individual data markers in a graph
Date   Wed, 1 Jul 2009 09:58:33 -0500

.
That's creative but I don't think that will ever work. You need to try:

graph twoway ///
	(scatter pressure age if col == "black", mcolor(black)) ///
	(scatter pressure age if col == "red", mcolor(red)) ///
	(scatter pressure age if col == "yellow", mcolor(yellow)) ///
	(scatter pressure age if col == "blue", mcolor(blue))


Hi,
I am trying to make a scatter plot (of eye pressure vs. age) and change the color of particular markers. I have a variable called "colorcode" in which I store a single letter depending on what color I want the marker to be (i.e. B for blue, R for red, Y for yellow).

I tried doing this (see below), but it doesn't work:

gen col = "black"
replace col = "red" if colorcode == "R"
replace col = "yellow" if colorcode == "Y"
replace col = "blue" if colorcode == "B"
graph twoway (scatter pressure age, mcolor(col))

When I try to make the graph it says: "(note: named style col not found in class color, default attributes used"

Any input on what I'm doing wrong and how I can fix it would be greatly appreciated (or suggestions on other ways to do this).
Thank you!!!
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