Apologies, I'm a new user and I'm trying to write an ado file to perform ML estimation on a probit model. I have found several resources and I'm just not sure why I'm getting an error for invalid syntax ==1
capture program drop myprobit_jss
*! myprobit_jss v01a JSS 30May2022
program define myprobit_jss
args lnf xb
quietly replace `lnf' = ln(normal(`xb')) if $ML_y1==1
quietly replace `lnf' = ln(normal(-`xb')) if $ML_y1==0
end
capture program drop myprobit_jss
*! myprobit_jss v01a JSS 30May2022
program define myprobit_jss
args lnf xb
quietly replace `lnf' = ln(normal(`xb')) if $ML_y1==1
quietly replace `lnf' = ln(normal(-`xb')) if $ML_y1==0
end
