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Re: st: Twoway Plot - Change Symbol


From   Nick Cox <n.j.cox@stata.com>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: Twoway Plot - Change Symbol
Date   Fri, 07 Aug 2009 13:40:42 -0500

twoway
(rspike urr lrr id)
(scatter rr id if _n != 11, ms(.))
(scatter rr id in 11, ms(x))
 , xlabel(1/11, valuelabel  angle(45)) ///
         xtitle("", size(*0.8)) ytitle("Odds Ratio") title("")
 legend(off) yline(1.34)

Alternatively,

separate rr, by(_n != 11)
twoway
(rspike urr lrr id)
(scatter rr? id, ms(. x)

etc.

See for general discussion

SJ-5-4 gr0023 . . . . Stata tip 27: Classifying data points on scatter plots . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . N. J. Cox Q4/05 SJ 5(4):604--606 (no commands)
        tips for using separate, gray-scale gradation, and text
        characters as class symbols to classify data points on
        a scatter plot

http://www.stata-journal.com/sjpdf.html?articlenum=gr0023

Nick

jasonm@ucla.edu wrote:
Is there any way to change the symbol for the 11th observation to an "x" instead of a dot?

gen id = _n
labmask id, val(names)
twoway (rspike urr lrr id) (scatter rr id), xlabel(1/11, valuelabel angle(45)) /// xtitle("", size(*0.8)) ytitle("Odds Ratio") title("") legend(off) yline(1.34)

names           str18  %18s
rr              float  %9.0g
lrr             float  %9.0g
urr             float  %9.0g

Stata 9

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