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RE: st: RE: graph bar labels


From   Ricardo Ovaldia <ovaldia@yahoo.com>
To   statalist@hsphsun2.harvard.edu
Subject   RE: st: RE: graph bar labels
Date   Thu, 10 Nov 2005 10:51:26 -0800 (PST)

Thank you Nick. Actualy what I was trying to do is
very simple (I thought).

Useing the auto data. I collapse to get percentages
and totals by -rep78- using:

.collapse (mean)  percent=foreign (count)
total=foreign,by(rep78)

This yields:

        rep78   percent     total
  1.        1         0         2
  2.        2         0         8
  3.        3        .1        30
  4.        4        .5        18
  5.        5   .818182        11
  6.        .        .2         5

Note that these are the six bars to be plotted.
(actualy only 5)

I can graph using:

. graph bar  percent, over( rep78)

But I want the variable -total- on on top of each
graph.

Ricardo.


--- Nick Cox <n.j.cox@durham.ac.uk> wrote:

> Obviously you are a discriminating person 
> you knows exactly what you want from Stata. 
> Sooner or later you will have to become 
> a programmer. 
> 
> I am not quite clear how your percents 
> are to be calculated, over all the values 
> or within each group. 
> 
> Here is one way for the first case. You know that
> there are 
> 69 values for which -foreign- and -rep78- 
> are not missing. You ask for a -catplot- 
> showing frequency. But you fix the y axis
> so that it shows percent. A tool for 
> doing this is -mylabels- from SSC. 
> 
> . mylabels 0(10)40, myscale(@ * .69) local(la)
> 0 "0" 6.9 "10" 13.8 "20" 20.7 "30" 27.6 "40"
> 
> . catplot bar rep78 foreign,  blabel(bar,
> position(outside))   yla(`la') ytitle(percent) 
> 
> So, for example, the label "40" appears at 
> where 27.6 would be shown on the frequency
> scale, because 40% of 69 is 27.6. 
> 
> Nick 
> n.j.cox@durham.ac.uk 
> 
> > -----Original Message-----
> > From: owner-statalist@hsphsun2.harvard.edu
> > [mailto:owner-statalist@hsphsun2.harvard.edu]On
> Behalf Of Ricardo
> > Ovaldia
> > Sent: 10 November 2005 18:08
> > To: statalist@hsphsun2.harvard.edu
> > Subject: Re: st: RE: graph bar labels
> > 
> > 
> > Not exactly, Nick. I basicaly plooting one
> variable
> > (percetage) over -rep78-, but will like the total
> > number of observations that when into calculating
> each
> > percentage on top of each bar.
> > 
> > Thank you,
> > Ricardo.
> > 
> > --- Nick Cox <n.j.cox@durham.ac.uk> wrote:
> > 
> > > There may be an official Stata solution, but
> what 
> > > I would recommend is that you try -catplot- from
> > > SSC. 
> > > -catplot- appeared early in the life of Stata 8
> > > given 
> > > the discovery that -graph bar- is not that good
> at 
> > > counting.  
> > > 
> > > . catplot bar rep78 foreign,  blabel(bar,
> > > position(outside))   
> > > 
> > > Is that what you want? 
> > > 
> > > Nick 
> > > n.j.cox@durham.ac.uk 
> > > 
> > > Ricardo Ovaldia
> > >  
> > > > I will like to place the number of observation
> on
> > > top
> > > > of each bar.  For example, using the auto
> data:
> > > > . sysuse auto, clear
> > > > . collapse (mean)  foreign (count)
> > > > total=foreign,by(rep78)
> > > > . graph bar  foreign, over( rep78)
> > > > 
> > > > What I want is the number in the variable
> -total-
> > > on
> > > > top of the corresonding graph.  I have not
> been
> > > able
> > > > to do this and -blabel()- does not help.
> > > 
> > > *
> > > *   For searches and help try:
> > > *  
> > >
> http://www.stata.com/support/faqs/res/findit.html
> > > *   http://www.stata.com/support/statalist/faq
> > > *   http://www.ats.ucla.edu/stat/stata/
> > > 
> > 
> > 
> > Ricardo Ovaldia, MS
> > Statistician 
> > Oklahoma City, OK
> > 
> > 
> > 	
> > 		
> > __________________________________ 
> > Yahoo! Mail - PC Magazine Editors' Choice 2005 
> > http://mail.yahoo.com
> > *
> > *   For searches and help try:
> > *  
> http://www.stata.com/support/faqs/res/findit.html
> > *   http://www.stata.com/support/statalist/faq
> > *   http://www.ats.ucla.edu/stat/stata/
> > 
> 
> *
> *   For searches and help try:
> *  
> http://www.stata.com/support/faqs/res/findit.html
> *   http://www.stata.com/support/statalist/faq
> *   http://www.ats.ucla.edu/stat/stata/
> 


Ricardo Ovaldia, MS
Statistician 
Oklahoma City, OK


		
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