[R] Combining the components of a character vector

John Fox jfox at mcmaster.ca
Thu Apr 3 16:08:02 CEST 2003

Dear John,

Try paste(x, collapse=" ")


At 03:54 PM 4/2/2003 -0800, John Miyamoto wrote:
>Dear Help,
>    Suppose I have a character vector.
>x <- c("Bob", "loves", "Sally")
>I want to combine it into a single string:  "Bob loves Sally" .
>paste(x) yields:
>[1] "Bob"   "loves" "Sally"
>The following function combines the character vector into a string in the
>way that I want, but it seems somewhat inelegant.
>paste.vector <- function(x, ...) {
>         output <- NULL
>         for (i in 1:length(x)) output <- paste(output, x[i], ...)
>         output  } #end of function definition
>[1] " Bob loves Sally"
>Is there a more natural (no loop) way to do this in R?

John Fox
Department of Sociology
McMaster University
Hamilton, Ontario, Canada L8S 4M4
email: jfox at mcmaster.ca
phone: 905-525-9140x23604
web: www.socsci.mcmaster.ca/jfox

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