[R] Changing data frame column headings

[R. Michael Weylandt]

x <- data.frame(a = 1:5, b = rnorm(5))

names(x) <- LETTERS[2:1]

print(x)

seems to work.

Can you be more explicit about your problem?

Michael

On Wed, Dec 5, 2012 at 6:51 PM, Rich Shepard <rshepard at appl-ecosys.com> wrote:
>   I have a reshaped data frame with value column headings concatenated from
> two column headings in the melted data frame. I want to change all 56
> headings in a single command, but 'names' allows me to change only one at a
> time. In Hadley's 2007 article on reshape in the Journal of Statistical
> Software he mentions a 'rename' function, but I cannot find that.
>
>   Is there a way to change all data frame column headings in a single
> command?
>
> Rich
>
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