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RE: st: Sort order in graph box, over() by()


From   Ulrich Kohler <kohler@wzb.eu>
To   statalist@hsphsun2.harvard.edu
Subject   RE: st: Sort order in graph box, over() by()
Date   Wed, 29 Aug 2007 17:33:15 +0200

Am Mittwoch, den 29.08.2007, 14:47 +0000 schrieb b. water:
> i was just trying to learn from this post with my stata 8.2 but got stuck on 
> egen axis i.e.:
> 
> . egen axis = axis(median rep78), label(rep78)
> unrecognized command:  _gaxis
> r(199);
> 
> is there a stata 8.2 equivalent for egen axis = axis(varlists) to show what 
> nick cox's trying to achieve here?

type

. ssc install egenmore

and try again.

Uli


> 
> 
> ----Original Message Follows----
> From: "Nick Cox" <n.j.cox@durham.ac.uk>
> Reply-To: statalist@hsphsun2.harvard.edu
> To: <statalist@hsphsun2.harvard.edu>
> Subject: RE: st: Sort order in graph box, over() by()
> Date: Tue, 28 Aug 2007 13:36:56 +0100
> 
> I think Scott's main idea is right. To solve this, you
> need to create your own grouping variable upstream of
> the graph call.
> 
> Here's another way to do it, however, that doesn't
> involve resorting to monkeying with extra observations
> ad hoc.
> 
> sysuse auto, clear
> egen median = median(mpg), by(rep)
> egen axis = axis(median rep78), label(rep78)
> graph box mpg, over(axis) by(foreign, b1title(Repair record 1978))
> 
> Here you need to have installed -egenmore- from SSC to get -egen, axis()-.
> 
> I have posted on this unofficial -egen- function before, so
> here are some related postings:
> 
> www.stata.com/statalist/archive/2004-03/msg00454.html
> 
> www.stata.com/statalist/archive/2007-07/msg00563.html
> 
> www.stata.com/statalist/archive/2004-02/msg00485.html
> 
> www.stata.com/statalist/archive/2007-08/msg00562.html
> 
> If StataCorp would only add one option to -egen, group()-
> none of this would be necessary!
> 
> I have bundled in the example above an extra trick.
> -graph box- won't let you use an -xtitle()-
> in this kind of graph because of -graph-'s dogma
> that the axis in question isn't an x-axis. A
> solution is to invoke -b1title()-.
> 
> Those using graphics in Stata <=7 may remember
> that graph axis titles came in various flavours,
> being -l-, -r-, -b- or -t- according to whether
> they were on the left, right, bottom or top.
> It doesn't seem to be documented, but some of
> the associated options still persist in the new
> graphics, chiefly to allow Vince Wiggins a few
> extra handles for the very few occasions that he needs them.
> 
> Nick
> n.j.cox@durham.ac.uk
> 
> Scott Merryman
> 
>  > Like this?
>  >
>  > sysuse auto ,clear
>  > egen median = median(mpg) ,by(rep)
>  > graph box mpg, over(rep, sort(med)) by(fore) name(gr1,replace)
>  > set obs 76
>  > replace fore = 1 in 75/76
>  > replace rep = 1 in 75
>  > replace rep = 2 in 76
>  > replace med = 18 if rep == 2 & fore == 1
>  > replace med = 20 if rep == 1 & fore == 1
>  > graph box mpg, over(rep, sort(med)) by(fore) name(gr2,replace)
> 
> On 8/27/07, Stefan Kreisel <kreisel.stefan@web.de> wrote:
> 
>  > > I'll give it another (abbreviated, as suggested in the
>  > Statalist FAQ...) try after receiving no response to "Forcing
>  > sort order in graph box, over() by()" (see that thread for
>  > any details).
>  > >
>  > > Is there a way to individually sort the order of boxes in a
>  > given subgraph as produced by the by() option in e.g. -graph
>  > box yvar, over(xvar, sort(1)) by(anothergroup)-?
>  > >
>  > > The problem is that missing categories on a given
>  > subgrouping of by() get put on the far right most side of the
>  > subgraph; I want them all in the same position in each subgraph.
> 
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