Why not just a single line?
bys country (year): gen initgdp = gdp[1]
Michael Blasnik
On Tue, Dec 23, 2008 at 9:04 AM, Maarten buis <[email protected]> wrote:
> --- Choudry T Shehzad <[email protected]> wrote:
>> Now I want to make another variable that contains initial value of
>> GDP fixed (for all years) equal to e.g. value of GDP in year 1885
>> corresponding to each country.
>
> bys country (year): gen initgdp = gdp[_n==1]
> bys country (year): replace initgdp = sum(initgdp)
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