[R] Problem with data.frames
Peter Dalgaard BSA
p.dalgaard at biostat.ku.dk
Mon Aug 4 01:45:51 CEST 2003
Andreas Eckner <andreas.eckner at soundinvest.net> writes:
> I just encountered a problem in R that may easily be fixed: If one uses
> attach for a data.frame e.g. 10000 times and forgets detach, then R gets
> incredibly slow (less then 10% of the original speed).
R also gets incredibly slow if you create 10000 copies of your data
set, which is effectively the same thing! The fix is: Don't do that...
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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