R help - Jul 2008 - Change name of a specific column of a data frame

Hi,

Sorry for the simple question. Is there a way to change the name of only one
column of an existing data frame?

I know colnames allows you to set the name of all the columns, but only one
column in the middle of my data frame needs a new name.

Thanks,
-Nina

> x <- data.frame(a=1,b=2,c=3)
> x
  a b c
1 1 2 3
> colnames(x)[2] <- "done"
> x
  a done c
1 1    2 3
>

On Tue, Jul 1, 2008 at 3:17 PM,  <naw3 at duke.edu>
wrote:
> Hi,
>
> Sorry for the simple question. Is there a way to change the name of only
one
> column of an existing data frame?
>
> I know colnames allows you to set the name of all the columns, but only one
> column in the middle of my data frame needs a new name.
>
> Thanks,
> -Nina
>
> ______________________________________________
> R-help at r-project.org mailing list
> https://stat.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide
http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.
>


-- 
Jim Holtman
Cincinnati, OH
+1 513 646 9390

What is the problem you are trying to solve?

Try

require(gregmisc)
rename(data, from="old_name", to="new_name")


A Smile costs Nothing  
     But Rewards Everything

Happiness is not perfected until it is shared
                                                              -Jane Porter  


--- On Tue, 7/1/08, naw3@duke.edu <naw3@duke.edu> wrote:
From: naw3@duke.edu <naw3@duke.edu>
Subject: [R] Change name of a specific column of a data frame
To: R-help@r-project.org
Date: Tuesday, July 1, 2008, 2:17 PM

Hi,

Sorry for the simple question. Is there a way to change the name of only one
column of an existing data frame?

I know colnames allows you to set the name of all the columns, but only one
column in the middle of my data frame needs a new name.

Thanks,
-Nina

______________________________________________
R-help@r-project.org mailing list
https://stat.ethz.ch/mailman/listinfo/r-help
PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
and provide commented, minimal, self-contained, reproducible code.


      
	[[alternative HTML version deleted]]

You can use names(database)[position]

where position is the number of the column that you want to rename!

Leandro Marino

-----Mensagem original-----
De: r-help-bounces em r-project.org [mailto:r-help-bounces em r-project.org]Em
nome de naw3 em duke.edu
Enviada em: terca-feira, 1 de julho de 2008 16:18
Para: R-help em r-project.org
Assunto: [R] Change name of a specific column of a data frame


Hi,

Sorry for the simple question. Is there a way to change the name of only one
column of an existing data frame?

I know colnames allows you to set the name of all the columns, but only one
column in the middle of my data frame needs a new name.

Thanks,
-Nina

______________________________________________
R-help em r-project.org mailing list
https://stat.ethz.ch/mailman/listinfo/r-help
PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
and provide commented, minimal, self-contained, reproducible code.