[R] Converting from a dataset to a single "column"

[Peter Dalgaard]

r user <ruser2006 at yahoo.com> writes:

> I have a dataset of 3 “columns” and 5 “rows”.
> 
> temp<-data.frame(col1=c(5,10,14,56,7),col2=c(4,2,8,3,34),col3=c(28,4,52,34,67))
> 
> I wish to convert this to a single “column”, with
> column 1 on “top” and column 3 on “bottom”.
> 
> i.e.
> 
> 5
> 10
> 14
> 56
> 7
> 4
> 2
> 8
> 3
> 34
> 28
> 4
> 52
> 34
> 67
> 
> Are there any functions that do this, and that will
> work well on much larger datasets (e.g. 1000 rows,
> 6000 columns)?

unlist(temp,use.names=FALSE)

Did you really mean "column" (as opposed to vector?), if so,

matrix(unlist(temp,use.names=FALSE))

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