# Re: st: AW: simple "graph twoway, b()" question

 From Markus Pannenberg <[email protected]> To [email protected] Subject Re: st: AW: simple "graph twoway, b()" question Date Wed, 25 Feb 2009 18:15:54 +0100

```Thanks Martin, you are right! (I also figured this out before sending
my e-mail to the stata-list....).

However: Does anyone know a work-around...?

Thanks a lot,

Markus

On Wed, Feb 25, 2009 at 5:53 PM, Martin Weiss <[email protected]> wrote:
>
> <>
>
> The thing - in my view - is that not every -twoway- option carries over to
> the -by- options. See
>
> *************
> help by_option
> *************
>
>
>
> HTH
> Martin
>

>>
Try

*************
sysuse uslifeexp, clear
set seed 1001
g x =runiform()>0.5
line le year, by(x)
line le year, xsc(r(1850 2006))
line le year, xsc(r(1850 2006)) by(x)
line le year, by(x, xsc(r(1850 2006)))
*************

and note the different behavior.

HTH
Martin

>>

> -----Ursprüngliche Nachricht-----
> Von: [email protected]
> [mailto:[email protected]] Im Auftrag von Markus
> Pannenberg
> Gesendet: Mittwoch, 25. Februar 2009 17:36
> An: [email protected]
> Betreff: st: simple "graph twoway, b()" question
>
> Hi all,
>
> I have a simple "graph twoway, by()" question:
>
> When I type:
>
> (1) twoway (line gdp year),  by(country),
>
> Stata creates a graph with plots for all countries and a range for the
> x axis starting in 2000 though the minimum of the variable year is
> 2001!
>
>
> When I type:
>
> (2) twoway (line gdp year),  xsc(r(2001 2006)),
>
> Stata creates a graph with a range for the x axis starting in 2001.
>
> However, when I combine (1) and (2), i.e.
>
> (3) twoway (line gdp year), by(country, xsc(r(2001 2006)))
>
> Stata tells me: "option xsc() not allowed" r(198)!
>
> Any suggestions?
>
> Thanks a lot!
>
> Best,
>
> Markus
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*
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```