[R] unlist & dataframes

[Naira]

I have forgotten to say that the elements in the list are not necessarily
equal... meaning that x1 and x2 are from different dimensions so I can't use
data.frame(l) 

More suitable example: 

x1=data.frame(Name=LETTERS[1:2],Age=1:2)
x2=data.frame(Name=LETTERS[3:5],Age=3:5)
l=list(x1,x2)
l
 l
[[1]]
  Name Age
1    A   1
2    B   2

[[2]]
  Name Age
1    C   3
2    D   4
3    E   5

Naira


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
> 
> 
> 

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