[R] Lists to vectors...

[kjetil halvorsen]

> test <- list(1:3, 5:9, 3:7)
> test
[[1]]
[1] 1 2 3

[[2]]
[1] 5 6 7 8 9

[[3]]
[1] 3 4 5 6 7

> do.call("c", test)
 [1] 1 2 3 5 6 7 8 9 3 4 5 6 7


Kjetil Halvorsen

Kevin Karty wrote:
> 
> Hello, can anyone answer:
> 
> Is there a fast, vectorized way to convert a list of integer vectors, in
> which each vector has different length, to a single vector that is
> simply the concatenation of all the member vectors?  Or does one have to
> loop over the list and concatenate everything?
> 
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