program define spregcs29 version 11.0 qui { args lf XB Rho Sigma tempvar Ro rYW1 D0 D1 gen `D0'=0 gen `D1'=0 replace `D0' =1 if $ML_y1 ==spat_llt replace `D1' =1 if $ML_y1 > spat_llt gen double `Ro'=`Rho'*spat_eigw gen double `rYW1'=`Rho'*w1y_$ML_y1 replace `lf'=log(1-`Ro')-0.5*`D1'*log(2*_pi*`Sigma'^2) /// +`D0'*log(1-normal(($ML_y1-`rYW1'-`XB')/`Sigma')) /// -0.5*`D1'*(($ML_y1-`rYW1'-`XB')/`Sigma')^2 } end