[R] Column renaming
Peter Dalgaard
p.dalgaard at biostat.ku.dk
Mon May 5 19:33:37 CEST 2008
Duncan Murdoch wrote:
> On 5/5/2008 10:48 AM, Chip Barnaby wrote:
>> Dear all,
>>
>> Is there a less cumbersome way to rename a column by name (as opposed
>> to index) than --
>>
>> names( X)[ names[ X] == "bob"]<-"sue"
>
> I find this clearer:
>
> X$sue <- X$bob
> X$bob <- NULL
>
...or, essentially the same:
X <- within(X, {sue <-bob; rm(bob)})
Manipulating the names attribute should be more efficient, although
not by order of magnitudes, I think.
--
O__ ---- Peter Dalgaard Øster Farimagsgade 5, Entr.B
c/ /'_ --- Dept. of Biostatistics PO Box 2099, 1014 Cph. K
(*) \(*) -- University of Copenhagen Denmark Ph: (+45) 35327918
~~~~~~~~~~ - (p.dalgaard at biostat.ku.dk) FAX: (+45) 35327907
More information about the R-help
mailing list