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neighbours: Neighbourhood Functions for Local-Search Algorithms

Neighbourhood functions are key components of local-search algorithms such as Simulated Annealing or Threshold Accepting. These functions take a solution and return a slightly-modified copy of it, i.e. a neighbour. The package provides a function neighbourfun() that constructs such neighbourhood functions, based on parameters such as admissible ranges for elements in a solution. Supported are numeric and logical solutions. The algorithms were originally created for portfolio-optimisation applications, but can be used for other models as well. Several recipes for neighbour computations are taken from "Numerical Methods and Optimization in Finance" by M. Gilli, D. Maringer and E. Schumann (2019, ISBN:978-0128150658).

Version: 0.1-3
Depends: R (≥ 3.3)
Suggests: NMOF, quadprog, tinytest
Published: 2023-09-21
DOI: 10.32614/CRAN.package.neighbours
Author: Enrico Schumann ORCID iD [aut, cre]
Maintainer: Enrico Schumann <es at enricoschumann.net>
License: GPL-3
URL: http://enricoschumann.net/R/packages/neighbours/ , https://sr.ht/~enricoschumann/neighbours/ , https://github.com/enricoschumann/neighbours
NeedsCompilation: no
Materials: README NEWS ChangeLog
In views: Optimization
CRAN checks: neighbours results

Documentation:

Reference manual: neighbours.pdf
Vignettes: Neighbourhood functions

Downloads:

Package source: neighbours_0.1-3.tar.gz
Windows binaries: r-devel: neighbours_0.1-3.zip, r-release: neighbours_0.1-3.zip, r-oldrel: neighbours_0.1-3.zip
macOS binaries: r-release (arm64): neighbours_0.1-3.tgz, r-oldrel (arm64): neighbours_0.1-3.tgz, r-release (x86_64): neighbours_0.1-3.tgz, r-oldrel (x86_64): neighbours_0.1-3.tgz
Old sources: neighbours archive

Linking:

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These binaries (installable software) and packages are in development.
They may not be fully stable and should be used with caution. We make no claims about them.
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