contentanalysis: Scientific Content and Citation Analysis from PDF Documents

Provides comprehensive tools for extracting and analyzing scientific content from PDF documents, including citation extraction, reference matching, text analysis, and bibliometric indicators. Supports multi-column PDF layouts, 'CrossRef' API <https://www.crossref.org/documentation/retrieve-metadata/rest-api/> integration, and advanced citation parsing.

Version:	1.0.0
Depends:	R (≥ 4.1.0)
Imports:	base64enc (≥ 0.1-3), dplyr (≥ 1.1.0), httr2 (≥ 0.2.0), igraph, jsonlite (≥ 2.0.0), magrittr (≥ 2.0.4), openalexR (≥ 2.0.2), pdftools (≥ 3.6.0), purrr (≥ 1.1.0), stringr (≥ 1.5.2), tibble (≥ 3.3.0), tidyr (≥ 1.3.0), tidytext (≥ 0.4.3), visNetwork (≥ 2.1.4)
Suggests:	knitr, plotly, RColorBrewer, rmarkdown, scales, stringdist, testthat (≥ 3.0.0), mockery
Published:	2026-03-07
DOI:	10.32614/CRAN.package.contentanalysis
Author:	Massimo Aria [cre, aut, cph], Corrado Cuccurullo [aut]
Maintainer:	Massimo Aria <aria at unina.it>
BugReports:	https://github.com/massimoaria/contentanalysis/issues
License:	GPL (≥ 3)
URL:	https://github.com/massimoaria/contentanalysis,
NeedsCompilation:	no
Materials:	README, NEWS
CRAN checks:	contentanalysis results

Documentation:

Reference manual:	contentanalysis.html , contentanalysis.pdf
Vignettes:	Introduction to contentanalysis (source, R code)

Downloads:

Package source:	contentanalysis_1.0.0.tar.gz
Windows binaries:	r-devel: contentanalysis_1.0.0.zip, r-release: contentanalysis_1.0.0.zip, r-oldrel: contentanalysis_1.0.0.zip
macOS binaries:	r-release (arm64): contentanalysis_1.0.0.tgz, r-oldrel (arm64): contentanalysis_1.0.0.tgz, r-release (x86_64): contentanalysis_1.0.0.tgz, r-oldrel (x86_64): contentanalysis_1.0.0.tgz
Old sources:	contentanalysis archive

Reverse dependencies:

Reverse imports:

bibliometrix

Linking:

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