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zoomgrid: Grid Search Algorithm with a Zoom

Implements a grid search algorithm with an adaptive zooming strategy for global optimisation problems with multiple local optima. The method recursively refines the search region around promising grid points, providing reliable initial values for subsequent optimisation procedures. The algorithm is computationally efficient in moderate- to high-dimensional settings.

Version: 1.1.0
Depends: R (≥ 4.0.0)
Imports: cli
Suggests: future, future.apply, knitr, rmarkdown
Published: 2026-02-28
DOI: 10.32614/CRAN.package.zoomgrid
Author: Yukai Yang ORCID iD [aut, cre]
Maintainer: Yukai Yang <yukai.yang at statistik.uu.se>
BugReports: https://github.com/yukai-yang/zoomgrid/issues
License: GPL-3
URL: https://github.com/yukai-yang/zoomgrid
NeedsCompilation: no
Citation: zoomgrid citation info
Materials: README, NEWS
CRAN checks: zoomgrid results

Documentation:

Reference manual: zoomgrid.html , zoomgrid.pdf
Vignettes: Grid Search Algorithm with a Zoom (source, R code)

Downloads:

Package source: zoomgrid_1.1.0.tar.gz
Windows binaries: r-devel: zoomgrid_1.1.0.zip, r-release: zoomgrid_1.1.0.zip, r-oldrel: zoomgrid_1.1.0.zip
macOS binaries: r-release (arm64): zoomgrid_1.1.0.tgz, r-oldrel (arm64): zoomgrid_1.1.0.tgz, r-release (x86_64): zoomgrid_1.1.0.tgz, r-oldrel (x86_64): zoomgrid_1.1.0.tgz
Old sources: zoomgrid archive

Linking:

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