たとえばこんな感じ(詳しいことは出典参照)
gen year1=1 if year==2011
replace year1=0 if year1 == .
[出典] http://www.stata.com/support/faqs/data-management/creating-dummy-variables/
たとえばこんな感じ(詳しいことは出典参照)
gen year1=1 if year==2011
replace year1=0 if year1 == .
[出典] http://www.stata.com/support/faqs/data-management/creating-dummy-variables/