> a <- as.POSIXct(1:2, origin="2011-01-01")
> dim(a) <- c(1, 2)
> as.data.frame(a)
a
1 2011-01-01 00:00:01
2 2011-01-01 00:00:02
>
> dim(a) <- c(2, 1)
> as.data.frame(a)
a
1 2011-01-01 00:00:01
2 2011-01-01 00:00:02
I think this is because in as.data.frame.POSIXct we have
nrows <- length(x)
instead of
nrows <- NROW(x)
Hadley
--
Assistant Professor / Dobelman Family Junior Chair
Department of Statistics / Rice University
http://had.co.nz/
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