clogit回归中为什么没有替代常数项呢

looks like you have 3 alternatives, is it better to use asclogit or mixlogit, depending on your model assumptions?

jjjj6666 发表于 2014-4-3 19:36
how many alternatives in your dependent variable? if 2, you may use clogit, asclogit, and mixlogit.  ...

and I have two questions:
1.how to find out the ASC
2.in clogit, how can I put some personal information in it to value individual peferences, because it appears "not within group"...

hey_judy1989 发表于 2014-4-3 21:01
and I have two questions:
1.how to find out the ASC
2.in clogit, how can I put some personal inf ...

楼主后来怎么解决这两个问题的，求帮助