Dear all,
my problem is following. I know Stata, but currently I have to use R. Could You please
help in finding the analogy to R.
(1) creating of City-Dummy.
I know in Stata:
g byte city=0
replace city=1 if city==12&year==2000
and
(2) Create a Time-Dummy-Variable
g byte T2000=0
replace T2000=1 if year==2000
(3) I need the City DUmmy for the following combination: I have the financial flows
between two cities in the state and I need the paired-Dummy for the exporter (state1)
and importer (state2):
g byte city11=0
replace city11=1 if state1==12�state2==12
(4) I am interesting in residuals for particular city==12. I have the Dummy for
City==12 and regress it on Y-Variable. How could I extract from the output in R the
residulas for city==12 (1) to plot this residuals and residuals from other regions in
boxplot and (2) to etsimate the confidence interval.
Thanks very much in advice,
Susan
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