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sambadata
2011 Dec 19
1
Mlogit missing value problem
Hi
After good advices i post this problem here again. Now the attached sambledata is in csv form and it is a part of my real data. I have tried different na.action operations but the result stays the same...
My code
> library(mlogit)
> library(foreign)
> z<-odbcConnectExcel("D:\\SAMBLEDATA.csv")
> y<-sqlFetch(z,"Taul1")
> x=mlogit.data(...