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st: RE: AW: graphing means with std dev


From   "Nick Cox" <n.j.cox@durham.ac.uk>
To   <statalist@hsphsun2.harvard.edu>
Subject   st: RE: AW: graphing means with std dev
Date   Tue, 26 May 2009 13:16:05 +0100

Also check out the official command -serrbar-. It expects means and SDs to exist already, so the -collapse- route is pertinent. 

You could show more of the data too. Why stop at means and SDs? Check out -dotplot- (official), -stripplot- (SSC). 

Nick 
n.j.cox@durham.ac.uk 

Martin Weiss

sysuse auto, clear
collapse (mean) meanprice= price /// 
(sd) sdprice=price, by(rep78)
gen lb=mean-sd
gen ub=mean+sd
twoway (rcap lb ub rep78) /// 
(scatter meanprice rep78)

Michael Eisenberg
I would like to generate a graph that plots the mean age with whiskers
representing the standard deviation for each level of a categorical
variable.

For example:
category 1:  70+-2.0
category 2:  71+-3.5
category 3:  72+-4.5
category 4:  73+-2.5
category 5:  74+-1.5

Ideally, I'd like a scatter plot like appearance so that each category
has a point (the mean) with whiskers (std dev).

Is this possible is Stata?

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