[R] Simple list manipulation question

Gabor Grothendieck ggrothendieck at myway.com
Fri May 28 14:56:54 CEST 2004


R> L <- list(A=c("AB","BC","CD"),B=c("GF","HG","FH","FJ"))
R> stack(L)
  values ind
1     AB   A
2     BC   A
3     CD   A
4     GF   B
5     HG   B
6     FH   B
7     FJ   B
 

Sean Davis <sdavis2 <at> mail.nih.gov> writes:

: 
: I have a list of vectors
: 
: $A
: "AB" "BC" "CD"
: 
: $B
: "GF" "HG" "FH" "FJ"
: 
: and I want to convert it into a dataframe of form
: 
: A  AB
: A  BC
: A  CD
: B  GF
: B  HG
: B  FH
: B  FJ
: 
: Just can't quite come up with a nice "R" solution for it.
: 
: Thanks,
: Sean

:




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