[R] how to create a variable to rank within subgroups

[Peter Dalgaard]

Denis Chabot <chabotd at globetrotter.net> writes:

> Thank you very much Andy, this is exactly what I was looking for. I
> did not know this function.

It's a horrible misnomer though (ave() is originally for replacing values
with averages, but obviously has other uses). Any suggestions for a
better name (or alias).


-- 
   O__  ---- Peter Dalgaard             Blegdamsvej 3  
  c/ /'_ --- Dept. of Biostatistics     2200 Cph. N   
 (*) \(*) -- University of Copenhagen   Denmark      Ph: (+45) 35327918
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