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st: RE: AW: Re: AW: dummies

From   "Nick Cox" <[email protected]>
To   <[email protected]>
Subject   st: RE: AW: Re: AW: dummies
Date   Tue, 22 Jan 2008 16:30:43 -0000

Only if followed by something suitable, such as -tab group, generate()-.

[email protected] 

Martin Weiss

egen countrypair=group(importer exporter) gives you dummies for the
formed by importer and exporter...

Seema Bhatia

My data is in a panel and is organised by country pair (dyadic). it
looks a 
bit like this:

biltrade    tid      cid   importer   exporter     gdpimp       gdpexp 
popimp   popexp   dist             etc
.000288  2003  1     ANG        BWA     10767.67   5795.94     4.619 
1.771      2223.578
.021651 1992   2     ANG        BDI        8023.988   847.43      10.852

5.795     1878.576

I want to generate cids (country pair id) dummies and use them as
factors. I have 650 such cids which i would like to include in my 

Also, if I wanted to create a separate dataset with the same data but 
instead of country pair id dummies, I would like to have separate
for importer and exporter, how can I do this?

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