[R] Combining the components of a character vector

Spencer Graves spencer.graves at pdf.com
Thu Apr 3 18:26:13 CEST 2003


paste( c("Bob", "loves", "Sally"), collapse=" ")

Spencer Graves

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:
> paste(x)
> [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
> 
> paste.vector(x)
> [1] " Bob loves Sally"
> 
> Is there a more natural (no loop) way to do this in R?
> 
> John Miyamoto
> 
> --------------------------------------------------------------------
> John Miyamoto, Dept. of Psychology, Box 351525
> University of Washington, Seattle, WA 98195-1525
> Phone 206-543-0805, Fax 206-685-3157, Email jmiyamot at u.washington.edu
> Homepage http://faculty.washington.edu/jmiyamot/
> --------------------------------------------------------------------
> 
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