R help - Nov 2011 - split list of characters in groups of 2

hi, 

If i have a list of things, like this

var.names <- c("a", "b", "c", "d",
"e", "f")

how can i get this:

"a, b", "c, d", "e, f"

thanks ahead of time. 
 

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Hi:

Here's one way:

apply(matrix(var.names, ncol = 2, byrow = TRUE), 1, function(x)
paste(x[1], x[2], sep = ','))
[1] "a,b" "c,d" "e,f"

HTH,
Dennis

On Wed, Nov 16, 2011 at 9:46 PM, B77S <bps0002 at auburn.edu>
wrote:
> hi,
>
> If i have a list of things, like this
>
> var.names <- c("a", "b", "c",
"d", "e", "f")
>
> how can i get this:
>
> "a, b", "c, d", "e, f"
>
> thanks ahead of time.
>
>
> --
> View this message in context:
http://r.789695.n4.nabble.com/split-list-of-characters-in-groups-of-2-tp4079031p4079031.html
> Sent from the R help mailing list archive at Nabble.com.
>
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