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Re: st: how to draw several kdensity curves in one graph


From   Christopher Hajzler <chajzler@gmail.com>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: how to draw several kdensity curves in one graph
Date   Wed, 3 Mar 2010 10:48:21 +1300

Hi Guang,

Coincidentally, I was just wrestling with the same thing myself yesterday.
Here is the command I used:

kdensity var if (year==1999), plot(kdensity var if (year==1989)||kdensity
var if (year==1979)) legend(ring(0) pos(2) label(1 "1999") label(2 "1989")
label(3 "1979") )

Hope this helps!

Chris

On Wed, Mar 3, 2010 at 10:04 AM, G. Dai <dgecon@gmail.com> wrote:

> dear all,
> I have income observation from several different years. For each year, I
> can
> easily draw a density curve by using kdensity. however, I'd like to have
> the
> distribution
> curves for different years on the same graph. how can I achieve that?
> regards,
> Guang
>
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