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a0try
2003 Sep 08
0
lmList with NAs
...0 550 345
2 1 1 568 345
3 1 0 560 456
4 1 1 NA 456
5 2 0 540 32
6 2 1 562 32
7 2 0 579 34
8 2 1 599 34
> a1=groupedData(score~spring|schoolid,data=a)
> a1try=lmList(a1,na.action=F)
Error in lmList.formula(object = score ~ spring, na.action = F, data = a1) :
data must be a groupedData object if groups argument is missing
# problem also occurs when I do not use groupedData statement .
> atry<-lmList(score~spring|schoolid, data=a)
Er...