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RE: st: dot-dash-plot


From   "Nick Cox" <n.j.cox@durham.ac.uk>
To   <statalist@hsphsun2.harvard.edu>
Subject   RE: st: dot-dash-plot
Date   Tue, 20 Feb 2007 19:05:42 -0000

"Nostalgia's not what it used to be" Department: 

graph7 mpg price, twoway oneway 

What R people -- and many others -- would usually
call a rug can be obtained in another way too: 

levelsof mpg , local(mpgval)
levelsof price , local(priceval)
twoway scatter mpg price, ytic(`mpgval', tpos(inside)) xtic(`priceval', tpos(inside))

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

Maarten Buis replied to Scott Merryman: 

> > Tufte's dot-dash-plot ("The Visual Display of Quantitative
> > Information" page 133) could be created as:
> 
> Cool,
> It might be improved a bit by adding a jitter to mpg:
> 
> sysuse auto,clear
> 
> gen wherex = 11
> gen wherey = 3000
> gen pipe = "|"
> gen mpgjit = mpg + .4*invnorm(uniform())
> 
> twoway scatter mpg price , msize(small) || /// 
> 	scatter wherex price, ms(none) mlab(pipe) mlabcolor(black) /// 
> 	mlabpos(0) || ///
> 	scatter mpgjit wherey , ms(none) mlab(pipe) 
> mlabang(vertical)/// 
> 	mlabcolor(black) mlabpos(0) || , ///
> 	legend(off) yscale(noline) ylabel(none) xscale(noline) ///
>         xlabel(none) xtitle(Price)
> 

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