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st: Re: Altering individual data markers in a graph


From   "Martin Weiss" <martin.weiss1@gmx.de>
To   <statalist@hsphsun2.harvard.edu>
Subject   st: Re: Altering individual data markers in a graph
Date   Tue, 30 Jun 2009 21:12:57 +0200

<>


This has come up before in variations: http://www.stata.com/statalist/archive/2009-03/msg01581.html


HTH
Martin
_______________________
----- Original Message ----- From: "Ron Gutmark" <rgutmar1@jhmi.edu>
To: <statalist@hsphsun2.harvard.edu>
Sent: Tuesday, June 30, 2009 9:04 PM
Subject: st: Altering individual data markers in a graph


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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