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Re: Re: st: combine two datasets


From   wanhaiyou <wanhaiyou@hnu.edu.cn>
To   statalist@hsphsun2.harvard.edu
Subject   Re: Re: st: combine two datasets
Date   Thu, 19 Dec 2013 10:41:39 +0800 (GMT+08:00)

Stephen,thanks for your help.


Bests,
wanhaiyou
Hunan University


> -----原始邮件-----
> 发件人: "Stephen A. Crowder" <scrowder@umc.edu>
> 发送时间: 2013-12-19 09:59:23 (星期四)
> 收件人: "<statalist@hsphsun2.harvard.edu>" <statalist@hsphsun2.harvard.edu>
> 抄送: 
> 主题: Re: st: combine two datasets
> 
> Generate a year variable , merge them by the id variable and it should come together easily as long as the variable names match exactly and have the same upper or lower case characters
> 
> Sent from my iPhone
> 
> > On Dec 18, 2013, at 7:56 PM, "Steve Samuels" <sjsamuels@gmail.com> wrote:
> >
> > Type
> >
> > . help combine
> >
> > and look at the listed topics.
> >
> >
> > Steve
> >
> >
> > On Dec 18, 2013, at 7:53 PM, 游万海 wrote:
> >
> > 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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