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Re: st: row wise summation in panel data for particular IDs
From
Eric Booth <[email protected]>
To
"<[email protected]>" <[email protected]>
Subject
Re: st: row wise summation in panel data for particular IDs
Date
Sun, 9 Jan 2011 22:22:00 +0000
<>
On Jan 9, 2011, at 4:13 PM, <[email protected]> wrote:
> Forgot to add what I have already tried.
> I used:
>
> ***
> gen c=0
> replace c=1 if id==1 | id==2
> collapse (sum) var1, by (c year)
> egen newid=group(id)
> ***
>
> But, last line does not run, as old 'id' is already cleard. And, other variables, var2, var3...etc also do not show up any more.
>
<snip>
Any variables not specified in the -collapse- clist is removed from the dataset.
- Eric
__
Eric A. Booth
Public Policy Research Institute
Texas A&M University
[email protected]
Office: +979.845.6754
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