Suggestion for tapply

Thu, Jun 7, 2001 1:13 PM #

In S-Plus the ... argument for tapply is before simplify.
In R (1.2.3) ... is after simplify, causing the user to
have to specify simplify every time ... is used even 
though the default is usually OK.  Unless there was a
benefit to reordering the arguments, it might be a good 
idea to reconsider the current function definition.  
... is probably used more than simplify 
(e.g., tapply(rainfall, state, quantile, probs=c(.25,.75))).

Thanks -Frank

Frank E Harrell Jr              Prof. of Biostatistics & Statistics
Div. of Biostatistics & Epidem. Dept. of Health Evaluation Sciences
U. Virginia School of Medicine  http://hesweb1.med.virginia.edu/biostat
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Peter Dalgaard

Thu, Jun 7, 2001 2:01 PM #

Frank E Harrell Jr <fharrell at virginia.edu> writes:

Right. We have as standard strategy to be calling sequence compatible
with S(-PLUS), unless there's good reason not to, so this is close to
being a bug. Will fix for 1.3.0.

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