请教各位大牛：我用proc logistic跑一个multinomial logit model, 左边是event (0=current, 1=default,2=prepay), 右边是a vector of X variables. 如果要算一个fitted cumulative 5-year default probability, proc logistic能帮我算吗？还是我得手动。。。。。。data 是monthly的。谢谢各位大牛！