程序语言为:
data b1(keep=id gender age2 age3 age4 age5 education2 education3 education4 a1 a2 a3 delay choice mode decision);
set b;
age2=(age=2);
age3=(age=3);
age4=(age=4);
age5=(age=5);
education2=(education=2);
education3=(education=3);
education4=(education=4);
do i=1 to 2;
mode=i;
decision = ( choice = i );
output;
end;
run;
proc mdc data=b1;
model decision=id gender age2 age3 age4 age5 education2 education3 education4 a1 a2 a3 delay choice / nchoice=2
mixed=(normalparm=delay)
type=mixedlogit;
id id;
run;



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