[R] Table into a list

R. Michael Weylandt michael.weylandt at gmail.com
Sat Feb 25 08:11:55 CET 2012


My apologies: I missed the order of the desired output: the easiest
thing to do is likely to use the same techniques given below (and by
others in this thread) with a transpose t() before.

Michael

On Sat, Feb 25, 2012 at 2:05 AM, R. Michael Weylandt
<michael.weylandt at gmail.com> wrote:
> Your question is not well formed: do you want a list or a string
> (totally different things)? Or even more likely, a character vector?
> What do you have now: is it really an array (=matrix) or is it the
> data.frame it looks like?
>
> If it's a matrix:
>
> x <- matrix(letters[1:8], ncol = 2)
> x <- as.vector(x) # Character Vector
> paste(x, collapse = "") # String
>
> If it's a data frame with factors:
>
> x <- data.frame(matrix(letters[1:8], ncol = 2))
> as.character(unlist(x)) # omit as.character() if you actually have
> character elements and not factors.
>
> Michael
>
> On Fri, Feb 24, 2012 at 5:32 PM, thomas88 <thomas.coquet at free.fr> wrote:
>> Hello,
>> I am looking for a way to transform an array into a list (or a string).
>> My array has two columns 1 and 2, and I would like to create a list of the
>> values.
>>
>> Let's say I have :
>>
>>       x1       x2
>> 1      a          b
>> 2      c          d
>> 3      e          f
>> 4      g          h
>>
>> What I would like to obtain is a,b,c,d,e,f,g,h.
>>
>> I tried without success melt and reshape ( reshape(my_array,
>> direction="long", varying=1:2) ) but I cannot get it work.
>>
>> Thanks a lot !!!
>> thomas
>>
>> --
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>> Sent from the R help mailing list archive at Nabble.com.
>>
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