1 if Doctoral 0 if not (In Carnegie 2015 Basic Classification [BASIC2015] 15, 16, 17)
1 if 4-year medical school 0 if not (BASIC2015 25) Check (BASIC2015 26)
1 if 4-year engineering 0 if not (BASIC2015 27) Check ((BASIC2015 28)
4) Determine the total count of the categories in number 3 for each university system.