[Date Prev][Date Next][Thread Prev][Thread Next][Date index][Thread index]
st: how to distinguish observations with the same code
as far as I understood the problem, you did not create string variables.
if it is just a cross-sectional data set, you could generate a simple
index as identifier:
gen x = _n
>I have actually created a new variable country to distinguish the
>firms before appending, I am wondering if it is possible to create a
>new variable combining the information of "code" and "country", so
>that the observations can be distinguished by one variable? Thanks
>This is a FAQ.
>gen idcode = country + string(code)
>If you want a fixed length code (assuming countrycode is of fixed
>length, e.g. ISO) then use string(code,"%9.0f") or something like that.
Deutsches Institut für Wirtschaftsforschung (DIW Berlin)
German Institute for Economic Research
14195 Berlin, Germany
* For searches and help try: