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x3a
2002 Jun 04
1
documentation inconsistency for [.data.frame ?
...at said this is a requirement for data frames.
> data.frame(x=1:3,y=4:6,row.names=c("3AB","C/D","E.F"))[c(1,2,3),]
x y
3AB 1 4
C/D 2 5
E.F 3 6
> data.frame(x=1:3,y=4:6,row.names=c("3AB","C/D","E.F"))[c(1,2,3,NA),]
x y
X3AB 1 4
C.D 2 5
E.F 3 6
NA NA NA
> data.frame(x=1:3,y=4:6,row.names=c("AB","C/D","E.F"))[c(1,2,3,0),]
x y
AB 1 4
C/D 2 5
E.F 3 6
> data.frame(x=1:3,y=4:6,row.names=c("AB","C/D","E.F"))[c(1,2,3,4),]
x y
AB 1 4...