[R] unlist & dataframes

[David Freedman]

try

newdata=do.call(rbind,l)

David Freedman, Atlanta




Naira wrote:
> 
> Dear all,
> 
> I would like to know whether it is possible to unlist elements and keep
> the original format of the data.
> To make it more clear, let me give an exemple:
> I have a list l of dataframes that I created with apply but which looks
> like this:
> 
> x1=data.frame(Name=LETTERS[1:2],Age=1:2)
> x2=data.frame(Name=LETTERS[3:4],Age=3:4)
> l=list(x1,x2)
> l
> [[1]]
>   Name Age
> 1    A   1
> 2    B   2
> 
> [[2]]
>   Name Age
> 1    C   3
> 2    D   4
> 
> I would like to unlist l to create a dataframe with 2 columns and 4 rows
> but keeping the format of Name (character) and Age (numeric).
> 
> Now when I unlist l, I obtain :
> 
> unlist(l)
> Name1 Name2  Age1  Age2 Name1 Name2  Age1  Age2
>     1     2     1     2     1     2     3     4
> 
> Is there a way to at least obtain something like
> A 1 B 2 C 3 D 4 as result from the unlist??
> 
> Thanks a lot for your replies
> Naira
> 
> 
> 


-----
David Freedman
Atlanta
-- 
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