[R] Converting a list to a matrix - I still don't think I have it right
Peter Dalgaard
p.dalgaard at biostat.ku.dk
Thu Feb 17 16:39:39 CET 2005
"michael watson (IAH-C)" <michael.watson at bbsrc.ac.uk> writes:
> Hi
>
> We have touched on this before, but I don't think I quite got it right.
>
> So I have a list, each element of which is a a vector of 2 numbers:
>
> > l2
> $cat000_a01
> [1] 0.3429944 4.5138244
>
> $cat000_a02
> [1] 0.1929336 4.3064944
>
> $cat000_a03
> [1] -0.2607796 4.1551591
>
> What I actually want to convert this into is a matrix with the names
> (cat000_a01 etc) as row names, the first element of each of the vectors
> forming the first column of the new matrix, and the second element of
> each of the vectors forming the second column:
>
> cat000_a01 0.3429944 4.5138244
> cat000_a02 0.1929336 4.3064944
> cat000_a03 -0.2607796 4.1551591
do.call("rbind", list)
--
O__ ---- Peter Dalgaard Blegdamsvej 3
c/ /'_ --- Dept. of Biostatistics 2200 Cph. N
(*) \(*) -- University of Copenhagen Denmark Ph: (+45) 35327918
~~~~~~~~~~ - (p.dalgaard at biostat.ku.dk) FAX: (+45) 35327907
More information about the R-help
mailing list