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st: Bar chart to display results from crosstabs


From   Geoffrey Wallace <gw46@cornell.edu>
To   statalist@hsphsun2.harvard.edu
Subject   st: Bar chart to display results from crosstabs
Date   Thu, 12 Feb 2009 12:31:59 -0500

Dear Statalist members,

I want to use a bar chart to display in a more visual manner the column percentages from a crosstab for two dichotomous variables, such as democracy and first violator.

For the two-way table, I used the command
--tab democ firstviol, column--

Which gives the following output.


     First |       Democracy
  violator |        No        Yes |     Total
-----------+----------------------+----------
        No |        89         40 |       129
           |     57.05      72.73 |     61.14
-----------+----------------------+----------
       Yes |        67         15 |        82
           |     42.95      27.27 |     38.86
-----------+----------------------+----------
     Total |       156         55 |       211
           |    100.00     100.00 |    100.00

The final product I would hope for in the corresponding bar would have two separate pairs of columns. The first fair would have the relative percentages for democracies (democ=1) and nondemocracies (democ=0) that are not first violators (firstviol=0) (i.e. 72.73 and 57.05), and the second would be the corresponding pair for first violators (firstviol=1) (i.e. 27.27 and 42.95).

I'm assuming I would use some version of the -graph bar- command, but I'm having trouble figuring how to specify the column percentages.

Thanks for considering my question.

Cheers, Geoff
--
Geoffrey Wallace
PhD Candidate
Department of Government
214 White Hall
Cornell University
Ithaca, NY 14853
t.202.302.4209
f.607.255.4530
http://www.people.cornell.edu/pages/gw46/
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