[R] Suggestion for tapply
Frank E Harrell Jr
fharrell at virginia.edu
Thu Jun 7 22:13:56 CEST 2001
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))).
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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