在跑xtmelogit过程中,总是出现:“Refining starting values: ”
是什么原因呢?
xtmelogit PlayOrNot log_Listeners log_FriendNum log_shouts log_UserPlayCnt log_duration PreferenceNew ageNew ArtistGradeNew lastalbumNew ArtistYearsNew BestRank_top100New genderNew FriendlisterNumNew, || TrackID: ageNew genderNew log_UserPlayCnt log_FriendNum, covariance(independent)
不知道错在哪儿了!
求助啊!
另外,怎样做xtmelogit模型?