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RE: st: merging two datasets of long format
From
"Raquel Guimaraes" <[email protected]>
To
<[email protected]>
Subject
RE: st: merging two datasets of long format
Date
Fri, 20 Apr 2012 07:07:55 -0700
Thanks Eric!!! Sorry for the silly question!
-----Original Message-----
From: [email protected]
[mailto:[email protected]] On Behalf Of Eric Booth
Sent: Friday, April 20, 2012 5:53 AM
To: [email protected]
Subject: Re: st: merging two datasets of long format
<>
Hi Raquel:
The issue is that this line:
> merge m:1 id2 id3 id4 "$directory\clean\teachers"
should be:
merge m:1 id2 id3 id4 using "$directory\clean\teachers"
When you leave out "using" it thinks the filepath is another variable in
your varlist.
- Eric
__
Eric A. Booth
Public Policy Research Institute
Texas A&M University
[email protected]
+979.845.6754
On Apr 19, 2012, at 9:39 PM, Raquel Guimaraes wrote:
> Hi everyone,
>
> I have two datasets in the long format:
>
> Students -- identifiers: id1 (student-specific), id2, id3, id4
> Teachers -- identifiers: id2, id3, id4, id5(teacher-specific)
>
> I want to merge students to teachers using id2, id3 and id4. The two
> datasets above are in long format, and "time" is the time variable.
>
> When I do the merge after sorting the variables:
>
> use "$directory\clean\students", clear
> sort id2 id3 id4
> merge m:1 id2 id3 id4 "$directory\clean\teachers"
>
> I got the following error: "factor variables and time-series operators not
> allowed"
>
> Any help will be appreciated!
>
> Thanks,
>
> Raquel
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