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Re: st: Keep data according to one data file's varlist


From   Steve Nakoneshny <scnakone@ucalgary.ca>
To   "statalist@hsphsun2.harvard.edu" <statalist@hsphsun2.harvard.edu>
Subject   Re: st: Keep data according to one data file's varlist
Date   Wed, 7 Nov 2012 15:48:08 -0700

-help merge- and -help append- will provide you with sufficient guidance to figure out the appropriate syntax for your problem.

Steve 

On 2012-11-07, at 3:24 PM, Zhangqunzi wrote:

> Actually, I want to make the two big data sets have the same variable name list which is from the second file. Some variables in data file 1 need to be dropped. 
> 
> I think I should creat a name list from data 2 then select the data from data 1 according to this data 2 name list.
> 
> Can u tell me how to code in Stata?
> Thanks 
> 
> 在 Nov 7, 2012,7:46 PM,Nick Cox <njcoxstata@gmail.com> 写道:
> 
>> Sounds like
>> 
>> . drop var2 var4
>> 
>> Nick
>> 
>> On Wed, Nov 7, 2012 at 6:41 PM, Zhangqunzi <zhangqunzi@googlemail.com> wrote:
>> 
>>> I have two dta files, first one with variables : var 1 2 3 4 5
>>> Second one with
>>> Variables: vart 1 3 5
>>> 
>>> As their names.
>>> 
>>> Now I would like to drop the extra variables in data file 1 which are var 2 4.
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