viviyang
我用nlmixed处理logit函数，
proc nlmixed data=sas.Nlmixed_panal ITDETAILS;
parms a=-2 b=2 c=-1 d=-1 e=-1 f=1 s2u=0.0001;
eta=a+b*DA_Jones_GA+c*LnFee+d*mindex+e*Dtop+f*R_reputation1+u;
expeta=exp(eta);
p=expeta/(1+expeta);
BOUNDS 0<=s2u;
MODEL nop ~ BINOMIAL(n,p);
RANDOM u ~ NORMAL(0,s2u) SUBJECT=code;/*code是重复变量，共重复了4次*/
predict eta out=eta;
replicate repeat;
RUN;
运行后报错： Quadrature accuracy of 0.000100 could not be achieved with 31 points. The achieved accuracy was 1.000000.
迭代过程NOTE: Indeterminate likelihood encountered for observation 9 during iteration -1
是什么原因呢
