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st: RE: stata graph question

From   "Kieran McCaul" <[email protected]>
To   <[email protected]>
Subject   st: RE: stata graph question
Date   Sun, 13 Sep 2009 07:41:45 +0800


Try this:


set obs 100

gen x=uniform()

gen y = x^2

qui summ x
gen y2=`r(max)'

sort x
twoway (area y2 x)(area y x)

Kieran McCaul MPH PhD
WA Centre for Health & Ageing (M573)
University of Western Australia
Level 6, Ainslie House
48 Murray St
Perth 6000
Phone: (08) 9224-2701
Fax: (08) 9224 8009
email: [email protected]
If you live to be one hundred, you've got it made.
Very few people die past that age - George Burns

-----Original Message-----
From: [email protected]
[mailto:[email protected]] On Behalf Of Mingfeng Lin
Sent: Sunday, 13 September 2009 7:30 AM
To: [email protected]
Subject: st: stata graph question


I wanted to plot / shade all area under a curve, or above it, in a
two-dimensional space (x,y).  Is there a way to do this in Stata?
-twoway area- probably won't cut it because I want to plot it from
above the curve to positive infinity, OR below a curve to negative
infinity.  -twoway area- only plots between the curve and the x-axis,
if I understand it correctly.  Is there a way around this?

Thank you very much for your help!

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