Re: [R] Splitting a set of vectors in a list

From: Henrique Dallazuanna <wwwhsd_at_gmail.com>
Date: Thu, 13 Mar 2008 15:29:52 -0300

If I understand correctly, try this:

as.data.frame(lapply(mylist, `[`, 1:max(unlist(lapply(mylist, length)))))

On 13/03/2008, John Kane <jrkrideau_at_yahoo.ca> wrote:
> I have a set of character vectors of uneven length
> that I have stored in a list. I can easily enough get
> any column of them using lapply but what I want is to
> be able to create a matrix of them. Other than some
> kind of brute force looping approach I have drawn a
> blank.
>
> Would somebody please suggest something? Thanks
>
> Example.
>
> mylist <- list(aa=c("cat","peach" ), bb=c("dog",
> "apple", "iron"),
> cc = c("rabbit", "orange", "zinc", "silk"))
> myfun <- function(dff) dff[1]
> vect1 <- unlist(lapply(mylist, myfun))
>
>
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>

-- 
Henrique Dallazuanna
Curitiba-Paraná-Brasil
25° 25' 40" S 49° 16' 22" O

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Received on Thu 13 Mar 2008 - 18:38:23 GMT

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