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Re: st: Imposing a line graph into a bar graph


From   Syed Basher <syed.basher@yahoo.com>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: Imposing a line graph into a bar graph
Date   Tue, 12 Apr 2011 23:24:56 -0700 (PDT)

Thank you Nick for your kind help. When I tried to extend your example to 6 
variables case, I must admit I am struggling. Sometimes bar appears behind one 
another. But I guess trial and error will be the way to go.

Syed


----- Original Message ----
> From: Nick Cox <njcoxstata@gmail.com>
> To: statalist@hsphsun2.harvard.edu
> Sent: Tue, April 12, 2011 9:35:48 PM
> Subject: Re: st: Imposing a line graph into a bar graph
> 
> Your strategy won't work.
> 
> -graph bar- and -twoway- are not compatible.  You need to switch to
> -twoway- to get this.
> 
> Here is a silly example,  but some possibly useful technique.
> 
> webuse grunfeld, clear
> keep if  company == 1
> keep if year < 1945
> graph bar (asis) invest mvalue kstock  , over(year)
> gen year2 = year + 0.3
> gen year3 = year - 0.3
> twoway bar  invest year3, barw(0.3) || bar mvalue year, barw(0.3) ||
> bar kstock year2 ,  barw(0.3)
> gen average = (invest + mvalue + kstock) / 3
> twoway bar invest  year3, barw(0.3) || bar mvalue year, barw(0.3) ||
> bar kstock year2 ,  barw(0.3) || line average year
> 
> On offsets, see
> 
> SJ-7-1   gr0026  . . . .  Stata tip 42: The overlay problem: Offset for  
>clarity
>         . . . . . . . . . . . . . . . . . . . . .  . . . . . . . . . . . J. 
Cui
>         Q1/07   SJ  7(1):141--142                                  (no 
>commands)
>          tip for graphing several quantities on a continuous  axis
> 
> which is accessible to all at the SJ website. (42: what a good  number;
> I should have taken that one myself.)
> 
> On Tue, Apr 12, 2011 at  7:21 PM, Syed Basher <syed.basher@yahoo.com>  wrote:
> 
> > I am using Stata 11.2. I have generated a bar graph  using  the following
> > command:
> > graph bar us uk jap,  over(year)
> >
> > I have a  forth variable, which is the average of (us  uk jap). I want to 
>impose
> > the  fourth variable (say x1) on the bar graph  as a line graph. I have 
tried
> > inserting the command for a line graph  [twoway (line x1 year)] into the 
> above
> > command, which didn't work. Your  help/hint is much appreciated.
> 
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