xtabs, drop.unused.levels (PR#1041)

Sun, Aug 5, 2001 11:43 AM

martin.lenze@to.com writes:

Yes, that's a bug. The culprit is

  do.call("table", mf)

using "mf" rather than "by" which was carefully computed to handle
drop.unused.levels a couple of lines above.

Actually, I think that table(by) would work just as well (and look better).

(A quick workaround could be y$B <- factor(y$B))

O__  ---- Peter Dalgaard             Blegdamsvej 3  
  c/ /'_ --- Dept. of Biostatistics     2200 Cph. N   
 (*) \(*) -- University of Copenhagen   Denmark      Ph: (+45) 35327918
~~~~~~~~~~ - (p.dalgaard@biostat.ku.dk)             FAX: (+45) 35327907
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xtabs, drop.unused.levels (PR#1041)

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