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372106
2017 Feb 07
0
RFC: tapply(*, ..., init.value = NA)
..."If default = NA (the default), NA of appropriate
> storage mode (0 for raw) is automatically used."
After some thought (and experiments), I have reverted and no
longer use if(missing). You are right that it is not needed
(and even potentially confusing) here.
Changes are in svn c72106.
Martin Maechler
2017 Feb 01
1
RFC: tapply(*, ..., init.value = NA)
On 'aggregate data.frame', the URL should be https://stat.ethz.ch/pipermail/r-help/2016-May/438631.html .
vector(typeof(ans))
(or vector(storage.mode(ans)))
has length zero and can be used to initialize array.
Instead of
if(missing(default)) ,
if(identical(default, NA))
could be used. The documentation could then say, for example: "If default = NA (the default), NA of appropriate