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cabel
2009 Apr 18
5
Dummy (factor) based on a pair of variables
Dear All!
my data is on pairs of countries, i and j, e.g.:
y,i,j
1,AUT,BEL
2,AUT,GER
3,BEL,GER
I would like to create a dummy (indicator) variable for use in regression
(using factor?), such that it takes the value of 1 if the country is in the
pair (i.e. EITHER an i-country OR an j-country).
Thank you for your help,
Serguei
________________________________________
Austrian Institute of