local path T:\vaynman\FEM\current\output local vars spline year end_pop end_pop65p obese obese_1 obese_2 obese_3 death_rate cancre diabe iadl1 adl12 adl3 hearte hibpe lunge smoken stroke forvalues i = 0/4 { use `path'\bmi_spline`i'\summary, clear gen spline = `i' foreach yr in 2030 2050 2080 { mkmat `vars' if year == `yr', mat(results`yr') } matrix results`i' = results2030 \ results2050 \ results2080 } matrix results = results0 forvalues i = 1/4 { matrix results = results \ results`i' }