Package: contentanalysis 1.1.1.9000

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.

Authors:Massimo Aria [cre, aut, cph], Corrado Cuccurullo [aut]

contentanalysis_1.1.1.9000.tar.gz
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manual.pdf |manual.html✨
DESCRIPTION |NEWS
card.svg |card.png
contentanalysis/json (API)

# Install 'contentanalysis' in R:

install.packages('contentanalysis', repos = c('https://massimoaria.r-universe.dev', 'https://cloud.r-project.org'))

Bug tracker:https://github.com/massimoaria/contentanalysis/issues

On CRAN:

7.58 score 2 stars 2 packages 22 scripts 19k downloads 24 exports 60 dependencies

Last updated from:77ebdece12. Checks:9 OK. Indexed: yes.

Target	Result	Time
linux-devel-x86_64	OK	178
source / vignettes	OK	231
linux-release-x86_64	OK	212
macos-release-arm64	OK	115
macos-oldrel-arm64	OK	118
windows-devel	OK	147
windows-release	OK	114
windows-oldrel	OK	118
wasm-release	OK	149

Exports:%>%analyze_scientific_content calculate_readability_indices calculate_word_distribution classify_rhetorical_moves create_citation_network describe_citation_clusters extract_doi_from_pdf extract_pdf_metadata gemini_content_ai get_crossref_references get_example_paper map_citations_to_segments match_citations_to_references merge_text_chunks_named normalize_references_section parse_references_section pdf2txt_auto pdf2txt_multicolumn_safe plot_citation_clusters plot_word_distribution process_large_pdf readability_multiple split_into_sections

Dependencies:askpass base64enc bslib cachem cli cpp11 curl digest dplyr evaluate fastmap fontawesome fs generics glue highr htmltools htmlwidgets httr httr2 igraph janeaustenr jquerylib jsonlite knitr lattice lifecycle magrittr Matrix memoise mime openalexR openssl pdftools pillar pkgconfig purrr qpdf R6 rappdirs Rcpp rlang rmarkdown sass SnowballC stringi stringr sys tibble tidyr tidyselect tidytext tinytex tokenizers utf8 vctrs visNetwork withr xfun yaml

contentanalysis

Rendered fromintroduction.Rmdusingknitr::rmarkdown

Last update: 2025-10-23
Started: 2025-10-06

Citation

Development and contributors

Readme and manuals

Help Manual

Help page	Topics
Enhanced scientific content analysis with citation extraction	analyze_scientific_content
Calculate readability indices for text	calculate_readability_indices
Calculate word distribution across text segments or sections	calculate_word_distribution
Classify Rhetorical Moves in Scientific Text	classify_rhetorical_moves
Create Citation Co-occurrence Network	create_citation_network
Describe Citation Clusters by Section Using Reference Title N-grams	describe_citation_clusters
Extract DOI from PDF Metadata (Legacy Function)	extract_doi_from_pdf
Extract DOI and Metadata from PDF	extract_pdf_metadata
Process Content with Google Gemini AI	gemini_content_ai
Retrieve rich metadata from the CrossRef API for a given DOI	get_crossref_references
Get path to example paper	get_example_paper
Match citations to references	match_citations_to_references
Merge Text Chunks into Named Sections	merge_text_chunks_named
Normalize references section formatting	normalize_references_section
Parse references section from text	parse_references_section
Import PDF with Automatic Section Detection	pdf2txt_auto
Extract text from multi-column PDF with structure preservation	pdf2txt_multicolumn_safe
Plot Citation Cluster Descriptions	plot_citation_clusters
Create interactive word distribution plot	plot_word_distribution
Print method for rhetorical move analysis	print.rhetorical_move_analysis
Process Large PDF Documents with Google Gemini AI	process_large_pdf
Calculate readability indices for multiple texts	readability_multiple
Remove All Types of Tables (Markdown and Plain Text)	remove_all_tables
Remove Markdown Code Block Markers	remove_code_blocks
Remove Figure Captions	remove_figure_caps
Split document text into sections	split_into_sections