Hi all. I have a time series dataset with information on political scandals involving the president in Argentina year per month, from 2014 to 2019 (N = 72).

The variables identifying time are “year” and “month” (see below):

I need to create a variable called “dm”, which identifies the year and month. For instance, 2014m1, 2014m2, 2014m3 … 2014m12.

However, I’'ve been unable to do it.

Could someone help?

Thank you very much.


Code:
* Example generated by -dataex-. For more info, type help dataex
clear
input str9 country str11 countrycode int year str10 month_name byte(month prescan2)
"Argentina" "ARG" 2014 "January"    1 0
"Argentina" "ARG" 2014 "February"   2 0
"Argentina" "ARG" 2014 "March"      3 0
"Argentina" "ARG" 2014 "April"      4 0
"Argentina" "ARG" 2014 "May"        5 0
"Argentina" "ARG" 2014 "June"       6 1
"Argentina" "ARG" 2014 "July"       7 0
"Argentina" "ARG" 2014 "August"     8 0
"Argentina" "ARG" 2014 "September"  9 0
"Argentina" "ARG" 2014 "October"   10 0
"Argentina" "ARG" 2014 "November"  11 0
"Argentina" "ARG" 2014 "December"  12 0
end