[R] columns called X rename Y

Rui Barradas ruipbarradas at sapo.pt
Fri Jan 18 20:57:26 CET 2013


Hello,

Try the following.


names(seba)[grep("numbers", names(seba))] <- "b"
names(seba)[grep("constant", names(seba))] <- "c"

names(seba)


Hope this helps,

Rui Barradas

Em 18-01-2013 18:14, Sebastian Kruk escreveu:
> I have a data. frame to which you want to change the names to some of their
> columns.
>
> For example:
>
>> seba <- data.frame ('constant' = 3, 'numbers' = 1: 10, 'letters' = LETTERS
> [1:10], otros = 2:11)
>
> List their names:
>
>> names (Seba)
> [1] "constant" "numbers" "letters"
>
> I want to rename c the column called constant and b the column
> called numbers.
>
> I do not know in which order appear names.
>
> How could do it?
>
> Thanks in advance,
>
> Sebastian.
>
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>
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