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Re: st: finding duplicate data


From   Mahbubeh Parsaeian <[email protected]>
To   "[email protected]" <[email protected]>
Subject   Re: st: finding duplicate data
Date   Sat, 17 Nov 2012 12:39:03 -0800 (PST)

thanks lot.




________________________________
From: Nick Cox <[email protected]>
To: [email protected] 
Sent: Saturday, 17 November 2012, 22:14
Subject: Re: st: finding duplicate data

Have you looked at the -duplicates- command?

Nick

On Sat, Nov 17, 2012 at 6:08 PM, Mahbubeh Parsaeian
<[email protected]> wrote:

> I have problem about finding duplicate data.
> I work with a dataset which consist of household information. For every
> household, interviewers should ask only from one of the family members. Unfortunately
> in some family the interviewers asked from two or more person in a family and I
> should delete this extra part of data .
> To clarify the problem, imagine the id number shows the household number.
> As an example the clusters consist of an id number such as 1, 2,3. I have
> explored the data and understand some id numbers have been repeated in the same
> cluster (for example 1 2 2) and it shows two or more person have been interviewed in the same
> family. I want to use one person in a family and delete the data for the second
> person.
> My personal idea is to use a function to enumerate the id variable
> within the clusters and delete extra id numbers which have been repeated. I know
> we have some function like _n which enumerate the repetition but I don’t know
> how I use this command to enumerate the repetition of id variable within
> clusters.

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