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st: RE: Re: Bar chart and time series


From   "Nick Cox" <n.j.cox@durham.ac.uk>
To   <statalist@hsphsun2.harvard.edu>
Subject   st: RE: Re: Bar chart and time series
Date   Thu, 26 May 2005 23:40:34 +0100

This can be simplified a bit while 
keeping the same idea. You don't need 
to change the basic data structure. 

sysuse educ99gdp, clear
gen public04 = 1.2*public
gen private04 = 1.2*private
encode country, gen(ccode)
gen ccode2 =ccode+.2 
replace ccode = ccode-.2 
#delimit ;
tw bar public04 ccode , barw(0.4) || bar private04 ccode2,
barw(0.4) || bar public ccode, barw(0.4) || bar private
ccode2, barw(0.4) xla(1 2 3 4 5 6 7 8 9 10, alternate val); 

Note that this solution hinges on -public04- and -private04- 
being greater than -public- and -private- respectively, 
so that the later bar laid down first does not obscure the 
earlier bar laid down second. 

Nick 
n.j.cox@durham.ac.uk 

Friedrich Huebler
 
> Problem solved. The solution requires -twoway bar- as Nick suggested.
> Another list member contacted me privately and pointed me in the
> right direction with a few lines of code.
> 
> sysuse educ99gdp, clear
> gen public04 = 1.2*public
> gen private04 = 1.2*private
> expand 2
> sort country
> gen group = mod(_n,2)
> sort country group
> gen public1999 = public if group==0
> gen public2004 = public04 if group==0
> gen private1999 = private if group==1
> gen private2004 = private04 if group==1
> encode country, gen(ccode)
> replace ccode=ccode+.2 if group==1
> replace ccode=ccode-.2 if group==0
> #delimit ;
> tw bar public2004 ccode , barw(0.4) || bar private2004 ccode,
> barw(0.4) || bar public1999 ccode, barw(0.4) || bar private1999
> ccode, barw(0.4) xla(1 2 3 4 5 6 7 8 9 10, alternate val);
 
Nick Cox 

> > you should go straight for 
> > -twoway bar- here

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