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fibermargin: Categorical Mask and Spatial Label Refinement

Implements 'FiberMargin', a deterministic training-free operator for repairing categorical masks and spatial labels from coordinates and labels alone. Its primary multiclass operator uses rotated space-filling-curve charts and two-sided class enclosure at one fixed geometric transport range. A class-balanced, isolation-protected chart-disagreement rule provides pointwise repair decisions and audit scores. An auxiliary nearest-neighbour ballot handles binary masks. The 'C++' engine supports two- and three-dimensional coordinates, removes constant axes independently within each specimen, and reuses one deterministic CPU worker budget without nested process pools. Reproducible mask corruptions, planar and volumetric simulators, damage-aware evaluation, and compact licensed human dorsolateral prefrontal cortex and colorectal cancer benchmarks support assessment.

Version: 0.1.0
Depends: R (≥ 4.1.0)
Imports: Rcpp, parallel
LinkingTo: Rcpp
Suggests: testthat (≥ 3.0.0), ggplot2, dplyr, tidyr, knitr, rmarkdown
Published: 2026-09-18
DOI: 10.32614/CRAN.package.fibermargin
Author: Stefano Cacciatore [aut, cre, cph]
Maintainer: Stefano Cacciatore <tkcaccia at gmail.com>
BugReports: https://github.com/tkcaccia/fibermargin/issues
License: MIT + file LICENSE
URL: https://tkcaccia.github.io/fibermargin/, https://github.com/tkcaccia/fibermargin
NeedsCompilation: yes
Materials: README, NEWS
CRAN checks: fibermargin results

Documentation:

Reference manual: fibermargin.html , fibermargin.pdf
Vignettes: benchmarks (source, R code)
FiberMargin: Complete User Guide (source, R code)
fibermargin_reference (source, R code)

Downloads:

Package source: fibermargin_0.1.0.tar.gz
Windows binaries: r-devel: not available, r-release: not available, r-oldrel: fibermargin_0.1.0.zip
macOS binaries: r-release (arm64): fibermargin_0.1.0.tgz, r-oldrel (arm64): fibermargin_0.1.0.tgz, r-release (x86_64): fibermargin_0.1.0.tgz, r-oldrel (x86_64): fibermargin_0.1.0.tgz

Linking:

Please use the canonical form https://CRAN.R-project.org/package=fibermargin 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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