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Re: st: duplicates for one variable
From
Shehzad Ali <[email protected]>
To
[email protected]
Subject
Re: st: duplicates for one variable
Date
Wed, 24 Nov 2010 15:14:32 +0000 (GMT)
Thanks, Dimitriy. That was spot on!
Also, thanks for Cinzia.
Shehzad
----- Original Message ----
> From: Dimitriy V. Masterov <[email protected]>
> To: [email protected]
> Sent: Wed, 24 November, 2010 14:51:28
> Subject: Re: st: duplicates for one variable
>
> Try -duplicates tag id time, gen(dups)-
>
> This will create variable named dups that will tell you which one:
>
> id time var3 dups
> 1 10 2.5 0
> 1 20 3.0 0
> 1 30 3.5 0
> 2 10 2.5 1
> 2 10 4.0 1
>
>
> DVM
>
>
> On Wed, Nov 24, 2010 at 9:35 AM, Shehzad Ali <[email protected]>
wrote:
> > Hi listers,
> >
> > I am looking to find duplicate observations on a certain variable 'time'.
>Here
> > is what the data looks like:
> >
> > id time var3
> > 1 10 2.5
> > 1 20 3.0
> > 1 30 3.5
> > 2 10 2.5
> > 2 10 4.0
> >
> > I want to identify the observations that are duplicate on the time variable
> > only, i.e. the last observation in the dataset above.
> >
> > I would appreciate your help.
> > Many thanks,
> > Shehzad
> >
> >
> >
> >
> >
> > *
> > * For searches and help try:
> > * http://www.stata.com/help.cgi?search
> > * http://www.stata.com/support/statalist/faq
> > * http://www.ats.ucla.edu/stat/stata/
> >
>
> *
> * For searches and help try:
> * http://www.stata.com/help.cgi?search
> * http://www.stata.com/support/statalist/faq
> * http://www.ats.ucla.edu/stat/stata/
>
*
* For searches and help try:
* http://www.stata.com/help.cgi?search
* http://www.stata.com/support/statalist/faq
* http://www.ats.ucla.edu/stat/stata/