use thai
ta curmeth
su
oprobit curmeth w1524 w3034 wgt35 wedlt4 wedgt4 bus poorvil
predict p1 p2 p3 p4
su
drop p1-p4
mlogit curmeth w1524 w3034 wgt35 wedlt4 wedgt4 bus poorvil
est store all
mlogit curmeth w1524 w3034 wgt35 wedlt4 wedgt4 bus poorvil if curmeth<4
est store drop
suest all drop
test [all_2=drop_2]
test [all_3=drop_3], accumulate
mlogit curmeth w1524 w3034 wgt35 wedlt4 wedgt4 bus poorvil
predict p1 p2 p3 p4
su