program define spregxt11 version 11.0 qui { args lf XB Rho1 Rho2 Rho3 Sigma tempvar Ro1 Ro2 Ro3 rYW1 rYW2 rYW3 D0 D1 gen `D0'=0 gen `D1'=0 replace `D0' =1 if $ML_y1 ==spat_llt replace `D1' =1 if $ML_y1 > spat_llt gen double `Ro1' =`Rho1'*mstar_W1 gen double `Ro2' =`Rho2'*mstar_W2 gen double `Ro3' =`Rho3'*mstar_W3 gen double `rYW1'=`Rho1'*w1y_$ML_y1 gen double `rYW2'=`Rho2'*w2y_$ML_y1 gen double `rYW3'=`Rho3'*w3y_$ML_y1 replace `lf'=log(1-`Ro1'-`Ro2'-`Ro3') /// +`D1'*((($ML_y1-`rYW1'-`rYW2'-`rYW3'-`XB')/`Sigma') /// -exp(($ML_y1-`rYW1'-`rYW2'-`rYW3'-`XB')/`Sigma')) /// -`D0'*exp(($ML_y1-`rYW1'-`rYW2'-`rYW3'-`XB')/`Sigma')-`D1'*log(`Sigma') } end