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st: AW: RE: display all categories on pie chart for categorical variables (with some zero values)


From   "Martin Weiss" <martin.weiss1@gmx.de>
To   <statalist@hsphsun2.harvard.edu>
Subject   st: AW: RE: display all categories on pie chart for categorical variables (with some zero values)
Date   Thu, 26 Nov 2009 13:31:35 +0100

<> 

-ssc d fulltab- is quite old (1998), so to get it to work, you have to
specify an appropriate -version-:

*************
clear*

input a b c
2 3 1 
4 5 1
1 2 1
3 6 0
end

compress
list, noo

version 7: fulltab a b if c==1, vals(1 2 3 4 5 6) m(mymat)
*************

Weirdly enough, -fulltab- does not include a -version- statement in its
code...



HTH
Martin

-----Ursprüngliche Nachricht-----
Von: owner-statalist@hsphsun2.harvard.edu
[mailto:owner-statalist@hsphsun2.harvard.edu] Im Auftrag von Adam Collins
Gesendet: Donnerstag, 26. November 2009 13:22
An: 'statalist@hsphsun2.harvard.edu'
Betreff: st: RE: display all categories on pie chart for categorical
variables (with some zero values)

I expect there is something really simple that I am missing here... but I am
new to Stata and it is doing my head in that I can't display all categories
of a categorical variable on a pie chart...  I am really getting no where
with this problem.  I would really appreciate some help.

I tried exploring ways of storing the "counts" from my categorical variable
values in another variable, such as a matrix which would allow me to store a
"zero count" as a "0" value.  In searching for a solution, I came accross
-fulltab- (from SSC), however it doesn't seem to work (it just displays the
following "program error:  code follows on the same line as open brace").  

Anyway, I am not even sure this is the best approach.  Surely there is
something more straight forward?



-----Original Message-----
From: owner-statalist@hsphsun2.harvard.edu
[mailto:owner-statalist@hsphsun2.harvard.edu] On Behalf Of Adam Collins
Sent: mercredi 25 novembre 2009 17:39
To: statalist@hsphsun2.harvard.edu
Subject: st: display all categories on pie chart for categorical variables
(with some zero values)

Hello, 

I have several categorical variables that each possess the same list of
categories (value labels).  

To enable easy comparison of the pie charts, I would like every category to
exist on every chart (so that each category retains the same
colour/settings/legend position etc on each chart).

The problem is that some of the variables contain zero occurrences of
certain values (categories) and the standard 'over(varname)' option with
-graph pie- excludes categories with no occurrences.  I have tried the
'allcategories' option, but since it applies to the 'over()' variable, it
does not help.

Does anyone have any ideas?  (by the way, since this is for a specific set
of categorical variables, it is fine if the categories are 'hard coded',
then applied to each variable)

Thanks again for your help!

Adam

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