[R] Question about quantile.default
Ben Bolker
bolker at ufl.edu
Sat Oct 4 23:59:57 CEST 2008
Peter Dalgaard <p.dalgaard <at> biostat.ku.dk> writes:
[snip discussion of overrun in seq()]
> > If I don't hear otherwise I will submit this as
> > a bug to r-devel ...
> >
> It IS deliberate.... We discussed this when R was still in the toddler
> stages.
>
> If you don't allow slight overruns like that, you end up with sequences
> sometimes being one element short, so seq() has a small "do what I mean"
> fudge factor built in. We might polish off the end value though, or fix
> quantile() to be less hysterical about values slightly out of range.
>
Polishing the end value seems to be a good idea. If not,
shouldn't one at least change the documentation to indicate
that the upper value is not absolute -- i.e. that such overruns
can occur?
thanks
Ben Bolker
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