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Re: st: Plotting stored estimates


From   smerryman@kc.rr.com
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: Plotting stored estimates
Date   Tue, 08 Aug 2006 11:41:05 -0500

Rather than using -mean- you could use -graph bar- or -collapse- 
followed by -scatter- to produce a graph of the mean of kcons by age.


For example:

sysuse auto,clear
graph bar (mean) mpg, over(rep)

preserve
collapse (mean) mpg , by(rep)
scatter mpg rep
restore


Scott

----- Original Message -----
From: Sara Mottram <s.mottram@cphc.keele.ac.uk>
Date: Tuesday, August 8, 2006 11:04 am
Subject: st: Plotting stored estimates
To: statalist@hsphsun2.harvard.edu

> Apologises if this is a basic question.
> I have a binary variable kcons which indicates whether or not the 
> person 
> has consulted their doctor about knee pain and another variable 
> age_cat, 
> indicating the age group to which the person belongs.
> I have calculated the mean of kcons within each level of age_cat 
> using 
> -mean- with the -over()-, option to get the probability of 
> consulting 
> with knee pain in each age group. I have then saved these 
> estimates 
> using -estimates store-.
> I would now like to produce a scatter plot the proportion of 
> people who 
> consult in each category against age_cat to assess whether there 
> is a trend.
> This sounds like it should be straightforward but I can't work out 
> from 
> the manuals (I have looked under _estimates in the programming 
> manual) 
> and I can't find anything in the FAQs about how to do this. If I 
> try 
> scatter _est age_cat, I get a flat plot. I could of course produce 
> a 
> plot in Excel by typing in the results of -mean-, but I feel that 
> this 
> is probably an important feature that I should learn to use properly?
> I have included my code and out put below.
> Sara
> 

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