clear
set obs 13000

gen immig=0
replace immig=1 in 1/1324
tab immig

gen echec=0

di "Echec des immigrés: " .107*1324 " individus"
replace echec=1 in 1/142

tab echec immig, col

di "Echec des non-immigrés: " .061*(13000-1324) " individus"
replace echec=1 in 1325/2037

tab echec immig, col

logit echec immig, or