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classbound: Visualization for Classification Decision Boundaries

Exploring, visualizing, and comparing classification decision boundaries. Provides a unified interface for fitting classifiers and rendering 2D decision boundary plots, with support for 2D slice visualization (fixing non-plotted dimensions at reference values) and projection-based visualization for high-dimensional data (including Principal Component Analysis (PCA) and tour projections from the 'tourr' package). Supports native 'R' classifiers, 'tidymodels' workflows, and custom user-supplied models via a flexible adapter system. Includes an interactive 'Shiny' application ('explorapp') for visual exploration, data simulation, drawing, model comparison, probability surfaces, and reproducible exports.

Version: 1.0.0
Depends: R (≥ 4.3.0)
Imports: class, ggplot2, rlang, ggnewscale, shiny, DT, RColorBrewer
Suggests: tidymodels, workflowsets, workflows, parsnip, tourr, rpart, roxygen2 (≥ 7.3.0), PPtreeViz, PPtreeExt, ppforest2, randomForest, testthat (≥ 3.0.0), knitr, rmarkdown, palmerpenguins, e1071, MixSim, MASS, jsonlite
Published: 2026-09-30
DOI: 10.32614/CRAN.package.classbound (may not be active yet)
Author: Vaibhav Manihar [aut, cre], Natalia da Silva ORCID iD [aut], Ignacio Alvarez-Castro ORCID iD [aut]
Maintainer: Vaibhav Manihar <vaibhav.manihar at gmail.com>
License: GPL-2 | GPL-3 [expanded from: GPL (≥ 2)]
URL: https://github.com/natydasilva/classbound, https://natydasilva.github.io/classbound/
NeedsCompilation: no
Materials: README
CRAN checks: classbound results

Documentation:

Reference manual: classbound.html , classbound.pdf
Vignettes: Custom Predictions and Adapters (source, R code)
Interactive Exploration with Explorapp (source, R code)
Getting Started with classbound (source, R code)
High-Dimensional Classification Boundaries (source, R code)
Comparing Classifiers with tidymodels (source, R code)
Comparing Models with tourr (source, R code)

Downloads:

Package source: classbound_1.0.0.tar.gz
Windows binaries: r-devel: not available, r-release: not available, r-oldrel: not available
macOS binaries: r-release (arm64): not available, r-oldrel (arm64): not available, r-release (x86_64): not available, r-oldrel (x86_64): not available

Linking:

Please use the canonical form https://CRAN.R-project.org/package=classbound to link to this page.

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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