[R] Best way to turn a list into a data.frame

[Luc Villandre]

Hi Daniel,

In your case, I guess you could use:

col1 = rep(attributes(my.list)$names,lapply(my.list,length)) ;
col2 = unlist(my.list,use.names=FALSE) ;
my.data.frame = as.data.frame(cbind(col1,col2)) ;

This should work well.

Cheers,

Luc

Daniel Brewer wrote:
> Hello,
>
> What is the best way to turn a list into a data.frame?
>
> I have a list with something like:
> $`3845`
>  [1] "04010" "04012" "04360"
>
> $`1029`
> [1] "04110" "04115"
>
> And I would like to get a data frame like the following:
>
> 3845 "04010"
> 3845 "04012"
> 3845 "04360"
> 1029 "04110"
> 1029 "04115"
>
> Any ideas?
>
> Dan
>
>