Re: st: Data Management

["Martin Weiss" <martin.weiss1@gmx.de>]

" I am not sure if duplicates command will work.. Because I have other
variables in the data. So there are actually no duplicates at all in
the data. "

Not so, the -duplicates- commands allows -varlist-s...

HTH
Martin
_______________________
----- Original Message ----- 
From: "Rijo John" <rmjohn@gmail.com>
To: <statalist@hsphsun2.harvard.edu>
Sent: Friday, November 21, 2008 6:28 PM
Subject: Re: st: Data Management


> Hi Friedrich,
> the command you suggested produces pretty much the same result.. it
> lists out all the ids irrespective of the differences in city names.
>
> Martin,
>
> I am not sure if duplicates command will work.. Because I have other
> variables in the data. So there are actually no duplicates at all in
> the data. Only the city name variable is spelt differently in certain
> cases. There are many other variables which takes different values for
> year 1 and two. So if I issue a duplicate command I would imagine it
> may not produce any duplicates at all.
>
> Thanks,
> Rijo.
>
> On Fri, Nov 21, 2008 at 11:18 AM, Friedrich Huebler <fhuebler@gmail.com> 
> wrote:
> > Rijo,
> >
> > bysort ID: list if City[1]!=City[2]
> >
> > Friedrich
> >
> > On Fri, Nov 21, 2008 at 12:08 PM, Rijo John <rmjohn@gmail.com> wrote:
> > > Hi statalist,
> > >
> > > I have a data set as follows
> > >
> > > ID  City          Year
> > > 1    City name   1
> > > 1    City name   2
> > >
> > >
> > > The data is suppose to have same city names for each ids for year 1
> > > and two. but there are many occasions where city for the year 1 is
> > > spelt differently thanthat for year 2. I just want to list out or edit
> > > those cities where city names are different for year 1 and 2 for the
> > > same ID. When I issue the following command
> > >
> > > bysort ID : list if  City!=City[_n-1]
> > >
> > > it lists all observations in the data whether or not the city is spelt
> > > differently in years one and two. Thats strange to me? Can someone
> > > tell what  I am doing wrong here?
> > >
> > > Thanks for your help.
> > >
> > > Rijo.
> > *
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>
>
>
> --
> Rijo M John,
> Institute for Health Research and Policy (MC 275),
> 1747 West Roosevelt Road, Room 558,
> Chicago, Illinois 60608.
> Ph: 312-413-9057
> Fax: 312-355-2801
> URL: http://ihrp-web.ihrp.uic.edu/
> *
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> *   http://www.ats.ucla.edu/stat/stata/


*
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