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retraction: Detect Retracted References in Documents and Bibliographies

Scans manuscripts, bibliographies, and reference lists for citations to retracted publications so that authors can avoid citing retracted work. 'retraction' reads bibliographic formats (BibTeX, BibLaTeX, CSL-JSON, RIS, EndNote XML) and document formats (R Markdown, Quarto, 'LaTeX', Markdown, HTML, JATS XML, Word, and PDF), extracts and normalizes identifiers, and checks them against retraction data. The default data source is the Retraction Watch database served through the 'XeraRetractionTracker' API; 'Crossref', 'OpenAlex', 'Europe PMC', 'PubMed', 'DataCite', and a preprint source ('arXiv' and 'bioRxiv' withdrawals) are available as additional sources ('OpenAlex' retraction data is itself derived from Retraction Watch). Within each source, matching proceeds from exact Digital Object Identifier (DOI) and 'PubMed' identifier lookups to fuzzy title matching, and results are returned as a tidy table with a match-quality score and an optional self-contained HTML report.

Version: 0.1.0
Depends: R (≥ 4.0)
Imports: cli (≥ 3.0.0), httr2, jsonlite, stringdist, tibble, tools, utils, xml2
Suggests: arrow, covr, DBI, DT, furrr, future, httptest2, knitr, pdftools, rmarkdown, RSQLite, rstudioapi, shiny, stringi (≥ 1.5.3), testthat (≥ 3.0.0), withr, writexl
Published: 2026-07-10
DOI: 10.32614/CRAN.package.retraction
Author: Ahmad Sofi-Mahmudi ORCID iD [aut, cre]
Maintainer: Ahmad Sofi-Mahmudi <a.sofimahmudi at gmail.com>
BugReports: https://github.com/choxos/retraction/issues
License: GPL-3
URL: https://github.com/choxos/retraction, https://choxos.github.io/retraction/
NeedsCompilation: no
Language: en-US
Citation: retraction citation info
Materials: README, NEWS
CRAN checks: retraction results

Documentation:

Reference manual: retraction.html , retraction.pdf
Vignettes: How the matching thresholds were calibrated (source, R code)
Getting started with retraction (source, R code)
Workflows: CI gates, reviews, monitoring, and pipelines (source, R code)

Downloads:

Package source: retraction_0.1.0.tar.gz
Windows binaries: r-devel: retraction_0.1.0.zip, r-release: retraction_0.1.0.zip, r-oldrel: retraction_0.1.0.zip
macOS binaries: r-release (arm64): retraction_0.1.0.tgz, r-oldrel (arm64): retraction_0.1.0.tgz, r-release (x86_64): retraction_0.1.0.tgz, r-oldrel (x86_64): retraction_0.1.0.tgz

Linking:

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