R-beta: slice.index in R
Peter Dalgaard BSA
p.dalgaard at biostat.ku.dk
Wed May 27 17:48:01 CEST 1998
thor.thoresen at hlk.hj.se (Thor Thoresen) writes:
> I am currently trying to port a couple of S or S-plus add ons (Multiple
> imputation) to R.
> Since I do not have S or S-Plus it is a bit of a trial and error
> process. Most things though,
> run smooth. I encountered however a function "slice.index" for which I
> cannot find
> any R counterpart. I have searched the different available
> documentations such as the
> S-FAQ and S-Plus-notes with no luck.
> Do anyone know what this S-Plus function is supposed to accomplish and
> if there is
> any method to accomplish the same in R?
Here's the top of the help page:
Returns an array filled with integers, each of which
identifies where in the current slice it is. This is a
generalization of the row and col functions: row(x) can be
expressed as slice.index(x,1) and col(x) can be expressed
Doesn't sound too hard to duplicate. Do you want to try? I think a
careful look at the sweep function might help....
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
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