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Re: R: st: combine two datasets


From   wanhaiyou <wanhaiyou@hnu.edu.cn>
To   statalist@hsphsun2.harvard.edu
Subject   Re: R: st: combine two datasets
Date   Fri, 20 Dec 2013 08:00:50 +0800 (GMT+08:00)

Thanks Carlo.


> -----原始邮件-----
> 发件人: "Carlo Lazzaro" <carlo.lazzaro@tiscalinet.it>
> 发送时间: 2013-12-19 20:57:00 (星期四)
> 收件人: statalist@hsphsun2.harvard.edu
> 抄送: 
> 主题: R: st: combine two datasets
> 
> 游万海 may want to consider:
> ----------------------------------------------------------------------------
> ------------------------------------------
> append using "C:\Users\user\Desktop\dataset_B.dta" "C:\Users\user\Desktop\
> dataset_A.dta"
> 
> sort id year
> ----------------------------------------------------------------------------
> --------------------------------------
> Kind regards,
> Carlo
> -----Original Message----- 
> From: 游万海
> Sent: Thursday, December 19, 2013 1:53 PM
> To: statalist@hsphsun2.harvard.edu
> Subject: st: combine two datasets
> 
> Dear all,
> 
> I have two dataset A and B,
> A:
> id  year  var1 var2
> 1  2001  1        2
> 1  2002  3       4
> 1  2003  5       6
> 2  2001  1        2
> 2  2002  3       4
> 2  2003  5       6
> 3  2001  1        2
> 3  2002  3       4
> 3  2003  5       6
> 
> 
> B:
> id year var1 var2
> 1 2004    1     2
> 2 2004    3    4
> 3 2004    5    6
> 
> And I want to obtain the dataset C
> id year  var1 var2
> 1  2001  1        2
> 1  2002  3       4
> 1  2003  5       6
> 1  2004  1        2
> 2  2001  1        2
> 2  2002  3       4
> 2  2003  5       6
> 2  2004  3       4
> 3  2001  1        2
> 3  2002  3       4
> 3  2003  5       6
> 3  2004  5      6
> 
> Thanks very much
> 
> Bests,
> wanhaiyou
> Hunan University
> 
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