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Re: st: graph with indicator variables


From   Nahla Betelmal <nahlaib@gmail.com>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: graph with indicator variables
Date   Thu, 28 Feb 2013 17:12:10 +0000

Thanks Tsankova , but can you please give me more details. I tried
stripplot but I got an error message as below.


stripplot S over(  T_1 T0 T1 )
time-series operators not allowed
r(101);

Thanks again

Nahla

On 28 February 2013 16:54, Tsankova, Teodora <TsankovT@ebrd.com> wrote:
> I have actually done something similar or a time trend for event using
> the -stripplot- command.
>
> -----Original Message-----
> From: owner-statalist@hsphsun2.harvard.edu
> [mailto:owner-statalist@hsphsun2.harvard.edu] On Behalf Of Nahla
> Betelmal
> Sent: 28 February 2013 16:50
> To: statalist@hsphsun2.harvard.edu
> Subject: st: graph with indicator variables
>
> Dear Statalist,
>
> I want to graph the trend of a numerical variable S around a certain
> event for different  firms. For each firm the event occurs in a
> different year, so I generated an indicator  variable equal 1 for the
> event year in each firm and called it T0 which could be year 2003 for
> firm 1 but year 2008 for firm 2 , etc. I also generated an indicator
> variable for year T-1 which represents the year preceding the event year
> for each firm (e.g. would be year 2002 for firm 1, but 2007 for firm 2 )
> , and variable year T+1 which represents the years following the event
> year for each firm ( would be year 2004, but 2009 for firm 2, etc.). I
> used lag and forward functions for T-1 and T+1.
>
>
> How can graph the trend of variable S around along variables : T0, T-1,
> T+1. Is it possible to have  the S variable is on the Y-axis while
> X-axis represents T0, T-1, and T+1 in one graph, and how?
>
> Many thanks
>
> Nahla Betelmal
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