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RE: st: How to start a bar graph with a minimum other than 0


From   Andrew Hsiao <ahsiao@newvisions.org>
To   "statalist@hsphsun2.harvard.edu" <statalist@hsphsun2.harvard.edu>
Subject   RE: st: How to start a bar graph with a minimum other than 0
Date   Wed, 31 Aug 2011 11:45:29 -0400

I just studied the command yscale(range(x y)) in the document a bit more. It seems it is not used to define the range of axis to be shown on the graph. Rather it is used to EXPAND the range of the values in the data. So it does seem that Stata does not allow "cheating" to truncate the bottom part of the graph.

It looks the solution is to find the aggregate of the variables (group means) and plot the values directly, using range(50 100) to define the bottom of the graph.

-----Original Message-----
From: owner-statalist@hsphsun2.harvard.edu [mailto:owner-statalist@hsphsun2.harvard.edu] On Behalf Of Ronan Conroy
Sent: Wednesday, August 31, 2011 11:21 AM
To: statalist@hsphsun2.harvard.edu
Subject: Re: st: How to start a bar graph with a minimum other than 0

On 2011 Lún 31, at 15:24, Andrew Hsiao wrote:

> I was trying to create a bar graph with a set of group means. The differences between the groups are not big numerically but I'd like to highlight the differences. I want to  plot the bars at a value other than 0 (not meant to mislead but to make the point of where they differ).

Then try cheating.

1. Subtract a constant value from each mean (looking at your data, you might subtract 70)

2. On the plot, use bogus labels

ylabel(0 "70" 5 "75" 10 "80" 15 "85 20 "90", angle(0))



Ronán Conroy
rconroy@rcsi.ie
Associate Professor
Division of Population Health Sciences
Royal College of Surgeons in Ireland
Beaux Lane House
Dublin 2


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