[R] Binary Search

Felix Andrews felix at nfrac.org
Wed Aug 8 08:57:58 CEST 2007


On 8/8/07, Matthew Walker <m.g.walker at massey.ac.nz> wrote:
> Hi!
> R is an amazing piece of software and with so many libraries it can do
> almost anything... but I was very surprised that a standard "binary
> search" function seems not to exist.  I can find other much more
> highly-complex search routines (optimize, uniroot, nlm) in the standard
> no-extra-packages-loaded version of R, but not this simple alternative.
> I searched and found an implementation inside the package "genetics",
> but that requires the loading of an awful lot of other code to get to
> this simple function.
> Have I missed something?  Perhaps I just didn't find what is already in
> there.  Can anyone point me to what I'm after?
> If not, perhaps the developers might consider making it more readily
> available?
> Cheers,
> Matthew
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Felix Andrews / 安福立
PhD candidate
Integrated Catchment Assessment and Management Centre
The Fenner School of Environment and Society
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