bibliometrix v4.3.3 (Release date: 2025-03-17) Features: * Improved the function plotThematicEvolution() * Solved issue with synonyms in conceptualStructure() bibliometrix v4.3.0 (Release date: 2024-06-30) Features: * Improved the function mergeDbSources() Now it's possible to merge collection from all supported databases * Added the submenu "Merge Collections" in biblioshiny Through the new submenu "Merge Collections", it's possible to merge collections from different DBs directly in Biblioshiny bibliometrix v4.2.3 (Release date: 2024-05-27) Changes: * Major fixes in bibliometrix functions bibliometrix v4.2.2 (Release date: 2024-05-23) Changes: * Major fixes in bibliometrix functions * Many improvements in Biblioshiny tables and figures bibliometrix v4.2.1 (Release date: 2024-05-01) Changes: * Major fixes in convert2df for Scopus and Lens export files * Many improvements in Biblioshiny tables and figures bibliometrix v4.2.0 (Release date: 2024-04-18) Features: * Added the support to OpenAlex database both using export files and API * Added the function net2Pajek to export network objects as Pajek files Changes: * Biblioshiny: Added an info page about supported databases and suggested format files * Biblioshiny: In Conceptual Structure methods, added an algorithm to automatically hide overlapping labels * Biblioshiny: Added a popup window which shows the stopword list and the synonym list when uploaded * Removed depencence from factominer package * Many code and graphical improvements bibliometrix v4.1.4 (Release date: 2023-11-29) Changes: * Biblioshiny: After the data quality check, the menus of the analyses that cannot be performed are hidden * Start to adding support to OpenAlex data * Improvements in historiograph: - Improved Scopus algorithm to match local citations - Added OpenAlex algorithm to match local citations - Added Lens.org algorithm to match local citations * Improved pajek export in biblioshiny * Computational speed improvements * Solved issue with igraph 1.6.0 release canddate * Solved issue with Matrix package bibliometrix v4.1.2 (Release date: 2023-03-06) Changes: * Solved issue with new R version (R-devel no longer sets a 'stringsAsFactors' option) * Computational speed improvements bibliometrix v4.1.0 (Release date: 2023-01-13) Features: * Added a new function missingData() to check the completeness of metadata included in a bibliographic data frame * Biblioshiny: Added the ability to create an excel report by adding step by step results of different analysis * Biblioshiny: Added a popup that returns the results of the metadata completeness check of imported collections * Biblioshiny: Revamped interface with floating options menu and more space for graphical analysis results Changes: * Several bug fixes * Computational speed improvements bibliometrix v4.0.1 (Release date: 2022-09-16) Features: * Biblioshiny: Added longitudinal analysis for all units (Documents, Authors, Journals) Changes: * A lot of bug fixes bibliometrix v4.0.0 (Release date: 2022-05-31) Features: * Biblioshiny has a completely renewed interface (Biblioshiny 4.0) * All plots have new more readble sets of colors and fonts * Added several new analyses in Biblioshiny Changes: * A lot of bug fixes bibliometrix v3.2.1 (Release date: 2022-02-21) Changes: * shinythemes is no longer supported. It has been replaced by new bslib package bibliometrix v3.2 (Release date: 2022-02-10) Features: * Added the possibility to load a list of terms to remove in all content analyses * Added the new package logo in all plots Changes: * Improvements of scopus CSV file importing function * Solved encoding issues about non UTF-8 character sets for bibtex files. bibliometrix v3.1.4 (Release date: 2021-07-05) Changes: * Added the possibily to calculate all vertex centrality measures setting the argument type="all" * Solved the issue with extracting cited sources from Scopus collections (function metaTagExtraction) * Solved the issue related to exclusion of the ggnetwork package from CRAN by removing the dependence from the package bibliometrix v3.1.3 (Release date: 2021-05-25) Changes: * Solved issue in bibliometrix binaries for linux releases (from CRAN checks) bibliometrix v3.1.1 (Release date: 2021-05-10) New functionalities: * Content analysis functions (conceptualStructure, biblioNetwork, biblioAnalysis, etc) include the analysis of bigrams and trigrams extracted from titles and abstracts * Three Field Plot: improved plot layout using plotly libraries * splitCommunities: new function to create a network plot with separated communities * histPlot: new, improved, plot layout * fieldByYear: New Trend Topic Plot Changes: * Added bibliometrix logo in all plots * networkPlot: Improved layout algorithms to obtain better separated clusters. The level of separation is guided by a new argument "community.repulsion" * biblioshiny: Added maxUploadSize argument to biblioshiny(). Now it is possible to set any max upload file size for the biblioshiny app using the argument "maxUploadSize". The default value is maxUploadSize=200 (megabytes) * biblioshiny: Added the possibility to use a sample collection * biblioshiny: New layout for all frequency plots (sources, authors, docuemnts, etc.) * couplingMap: Added the possibility to label clusters through content metadata (I.e. Keywords, title terms, etc.) * Hindex: Huge improvements in execution time. bibliometrix v3.0.4 (Release date: 2021-01-18 ) New functionalities: * biblioshiny: added the option to export plots as png choosing dpi value and image height * biblioshiny: added Coupling analysis by coupling menu tab * biblioshiny: added automatic recognition of export file formats in Data menu * couplingMap: new function performing coupling analysis on documents, authors and sources using different coupling strength measures * normalizeCitationScore: new fuction calculating NCS for documents, authors or sources using both gloabl and local citations Changes: * ThematicMap: added quadrant label annotations in plot * Biblioshiny: added the "Export graph as PNG" button to network plots * Biblioshiny: in network plots, added the button "Edit" for editing nodes (add, change, delete) * Biblioshiny: improvements in plot resolution and resizing * Removed vignettes and examples Datasets to respect CRAN rules about package max size (<5Mb). Examples datasets are now included in a new package bibliometrixData. Vignettes are published on www.bibliometrix.org * Added dependence to bibliometrixData package bibliometrix v3.0.3 (Release date: 2020-09-25) Changes: * biblioshiny: Improvements in Historiograph visualization * biblioshiny: Rewritten treemap using plotly * biblioshiny: Removed treemap package dependence * histPlot: Historiograsph now allows to plot document titles * rpys: added html link to Google Scholar bibliometrix v3.0.2 (Release date: 2020-06-17 ) ============== New functionalities: * duplicatedMatching: added the argument "exact" Changes: * New layout for frequency plots (Biblioshiny sections: Sources, Authors and Documents) * convert2df: Bug fixes * biblioshiny: improved management of reactive events * plots: removed warnings by ggplot2 package * ThematicMap: min frequency now is a proportion bibliometrix v3.0.1 (Release date: 2020-05-25) ============== New functionalities: * biblioshiny: Added "Node Degree Plot" in Conceptual, Intellectual and Social networks Changes: * convert2df: Bug fixes when importing uncomplete metadata * histNetwork: Bug fixes bibliometrix v3.0.0 (Release date: 2020-04-15) ============== New functionalities: * bibliometrix: Now it is possible to gather data directly using 'DS Dimensions' or 'NCBI PubMed' APIs * biblioshiny: Added "Most Local Cited Authors" analysis in Author Menu * biblioshiny: biblioshiny() added the arguments port, host, and launch.browser * biblioshiny: Now it is possible to import and convert 'PubMed' and 'Cochrane Library' export files * convert2df: Now it imports and converts json/xml collections downloaded using 'DS Dimensions' or 'NCBI PubMed' APIs * convert2df: Now it imports and converts export files downlaoded from 'NCBI PubMed' in pubmed format * convert2df: Now it imports and converts export files downlaoded from 'Scopus' in csv format * convert2df: The routine to convert data from WOS, Scopus, PubMed and Cochrane plaintext and bibtex files has been completely rewritten to be extremely more accurate and faster. Changes: * Added dependence to dimensionsR and pubmedR packages to gather data using APIs * Added dependence to tidyr package * histNetwork: the function has been completely rewritten to improve matching accuracy and speed * biblioAnalysis: Now it returns also the number of references (nReferences) * summary: Changed the layout of "Main Information about Data" table * cocMatrix: Added the argument "n" to set the number of items to include in the occurrences matrix * biblioNetwork: Added the argument "n" to set the number of items to include in the co-occurrences matrix * networkPlot: Now it returns also the object nodeDegree * Converting family internal functions are no longer visible to users. * Removed the function readFiles. Its functionalities are now included in convert2df * Removed dependence to reshape2 package * Removed dependence to RISmed package bibliometrix v2.3.2 (Release date: 2019-11-23) ============== New functionality: * biblioshiny: Introduced a new export window to export the collection into an excel/RData file * biblioshiny: Assigned custom names to excel export buttons for all tables bibliometrix v2.3.1 (Release date: 2019-11-01) ============== New functionality: * biblioshiny: added the support to Dimensions files * convert2df(): added the support to Dimensions files * dimensions2df(): introduced ths new function to import and convert Dimensions cvs/xlsx files Changes: * bug fixes in many functions bibliometrix v2.2.2 (Release date: ) ============== New functionality: * biblioshiny: added "remove isolated nodes" option in network analysis * net2VOSviewer: introduced this new function to export and plot networks in VOSviewer software Changes: * networkPlot: Fixed an issue with "remove.isolates" argument * networkPlot: Removed vosviewer option in "type" argument. Now networks can be exported in VOSviewer using the new function net2VOSviewer() bibliometrix v2.2.1 (Release date: 2019-06-26) ============== New functionality: *conceptualStructure: Added the Benzecrì eigenvalue correction *conceptualStructure: Added the explained variance information in the plot axis labels *thematicEvolution: new measure "Inclusion Index weighted by Term Occurrences" *thematicMap: Added the possibility to associate more than one label to each cluster (argument n.labels) *thematicEvolution: Added the possibility to associate more than one label to each cluster (argument n.labels) *biblioshiny: Integrated new functionality of conceptualStructure, thematicMap and thematicEvolution *New dataset: management: The use of bibliometric approaches in business and management disciplines bibliometrix v2.2.0 (Release date: 2019-05-02) ============== New functionality: *biblioshiny: new threeFieldsPlot in the Dataset tab *added the function threeFieldsPlot *Speed improvements in several functions bibliometrix v2.1.2 (Release date: 2019-03-14) ============== New functionality: *biblioshiny: new dendrogram plot in the factorial analysis (Conceptual Structure) *biblioshiny: added the number of cluster argument in the factorial analysis (Conceptual Structure) *biblioshiny: added Most Cited Sources (from References) in Sources *biblioshiny: added disambiguation parameter in affiliation *Speed improvements in several functions Changes: * retrievalByAuthorID: Now, even when there is an error, the function continues to download the data bibliometrix v2.1.1 (Release date: 2019-02-07) ============== New functionality: * biblioshiny: all plots are now dynamic (using plot.ly or VisNetwork) * biblioshiny: added new plots in dataset menu * biblioshiny: Menu "Conceptual Structure" has been re-organized * the function thematicMap has been completely rewritten. Now it automatically calculates the network and plots the map. bibliometrix v2.1.0 (Release date: 2019-01-06) ============== New functionality: * biblioshiny networks are now plotted using VisNetwork package. * biblioshiny menu has been completely rewritten. Now, descriptive analyses are organized by the unit of analysis * Several descriptive plots and tables have been added * Added the new function authorProdOverTime to calculate and plot the productivity over the time of the top authors * Added "measure" parameter in plotThematicEvolution * Added the new function bib2df. It gives the possibility to import data from a "generic" bibtex file format (i.e. Zotero, JabRef, etc.) * Added the possibility to calculate H-index for sources Changes: * Completely rewritten the importing function from bibtex files * Solved an issue in dominance(). Now Dominance factor is correctly calculated * Solved several issues in importing functions due to inconsistence in WOS/SCOPUS web-exporting procedures bibliometrix v2.0.2 (Release date: 2018-10-26) ============== New functionality: * Added Country scientific production in descriptive analysis (biblioshiny) * Added country collaboration map layout in biblioshiny * Added "opacity" parameter in networkPlot * Added "field" parameter in thematicMap * Added "field" parameter in thematicEvolution * Added bradford() function to identify core sources * Added law analyses (bradford and lotka) in biblioshiny * Added "stat" parameter in networkStat() * Added "type" parameter in networkStat() * Added Multidimensional Scaling Analysis in conceptualStructure() * Added "shortlabel" parameter in bibloNetwork() Changes: * Now plots show lowercase labels * networkStat() now allows calculating single centrality indices (using parameters stat and type) * Improved the optimal number of clusters in conceputalStructure(). Now the wss criterium is used bibliometrix v2.0.1 (Release date: 2018-10-09) ============== New functionality: * added the possibility to load Rdata files in biblioshiny() * added Thematic Evolution to biblioshiny() * added the function plotThematicEvolution() to draw thematic evolution * added Thematic Map to biblioshiny() * added TreeMap plot to biblioshiny() * added Word Dynamic Analysis biblioshiny() * added Source Dynamic Analysis to biblioshiny() * added the function rpys() to perform the Reference Publication Year Spectroscopy * added the function sourceGrowth to calculate source publication time series * new white layout for biblioshiny() bibliometrix v2.0.0 (Release date: 2018-09-03) ============== New functionality: * added biblioshiny(): A shiny app for bibliometrix R-package bibliometrix v1.9.4 (Release date: 2018-06-24) ============== New functionality: * Added a new, and more readable, historiograph plot in histPlot() * Added function networkStat() to perform the descriptive analysis of network graph characteristics * Added the generic function summary() to summarize the results of the networkStat() function * Added a new section "the descriptive analysis of network graph characteristics" in the vignettes * Added the possibility to use scopus collections in histNetwork() function * Added the possibility, in histNetwork() function, to set the minimum number of citations for the documents included in the analysis * Added the argument aff.disamb in metaTagExtraction() Changes: * Solved the compatibility issue with the new version of rscopus package * Minor changes in argument list of histNetwork() and histPlot() * Improved plot layout and colors in networkPlot() * Solved the issue regarding the older versions of utils::promptPackage() * Solved the issue regarding missing vertex labels in VOSviewer visualization bibliometrix v1.9.3 (Release date: 2018-05-15) ============== New functionality: * Added the possibility to import collections from COCHRANE Database in convert2df() * Completely rewritten conceptualStructure() function. Now it performs CA and MCA methods and plots factorial maps of documents. * Added binary argument in cocMatrix(). It allows to build up a document x attribute matrix using both binary and full counting bibliometrix v1.9.2 (Release date: 2018-03-28) ============== Changes: * Solved the issue https://stat.ethz.ch/pipermail/r-devel/2018-March/075737.html regarding the package Matrix bibliometrix v1.9.1 (Release date: 2018-03-14) ============== Changes: * Minor fixes in several functions bibliometrix v1.9 (Release date: 2018-01-20) ============== New functionality: * added the possibility to import collections from MedLine/PubMed in convert2df() * added co-occurrence normalization in networkPlot() Changes: * improved speed and efficiency in citation analysis (histNetwork(), localCitations(), metaTagExtraction()) * improved function histNetwork() * improved function metaTagExtraction() bibliometrix v1.8 (Release date: 2017-08-30) ============== Changes: * improved historiograph algorithm in histNetwork() * improved network layout in histPlot() * added new SR field in the bibliographic data frame * improved importing functions bibliometrix v1.7 (Release date: 2017-07-07) ============== New functionality: * added new clustering algorithms into networkPlot() * added argument 'halo' in networkPlot() to color cluster groups * added function normalizeSimilarity() to calculate some probabilistic and set-theoretic similarity measures * added function thematicMap() to create a thematic map based on co-word network analysis and clustering * added function thematicEvolution() to create an Evolution thematic map based on co-word network analysis and clustering. Changes: * removed function couplingSimilarity() bibliometrix v1.6 (Release date: 2017-05-09) ============== New functionality: * added two datasets isiCollection and scopusCollection * mergeDbSources() merges bibliographic data frames from SCOPUS and ISI WOS * duplicatedMatching() searches duplicated records in a bibliographic database using the generalized Levenshtein (edit) distance * dfMerge() removed from package * removed dipendence from dplyr package * added possibility to merge synonyms using termExtraction() Changes: * Minor fixes in several functions * Minor corrections in vignettes and documentation bibliometrix v1.5 (Release date: 2017-03-15) ============== New functionality: * retrievalByAuthorID() gets Author Content on SCOPUS by ID * idByAuthor() gets Complete Author Information and ID from Scopus * Hindex() introduced the argument years Changes: * Minor fixes in several functions * Minor corrections in vignettes and documentation bibliometrix v1.4 (Release date: 2017-01-24) ============== New functionality: * conceptualStructure() creates and plots conceptual structure map of a scientific field * histPlot() plots historical co-citation network * networkPlot() plots Bibliographic networks * readFiles() loads a sequence of ISI or SCOPUS Export files into a large character object Changes: * Minor fixes in metaTagExtraction() function * Minor fixes in convert2df() function * Minor corrections in vignettes and documentation bibliometrix v1.3 (Release date: 2016-11-17) ============== New functionality: * termExtraction() extracts terms from a textual field (abstract, title, author's keywords, etc.) of a bibliographic data frame. Now it integrates Porter's stemming algorithm and term extraction procedure for English, French, German, Italian and Spanish textual contents. bibliometrix v1.2 (Release date: 2016-10-18) ============== New functionality: * keywordAssoc() associates authors' keywords to keywords plus * keywordGrowth() calculates yearly cumulative occurrences of top keywords. * termExtraction() extracts terms from a textual field (abstract, title, author's keywords, etc.) of a bibliographic data frame. Changes: * New statistics in summary() function * Minor fixes in convert2df() function * Minor corrections in vignettes and documentation bibliometrix v1.1 (Release date: 2016-09-07) ============== Changes: * Minor fixes in convert2df() function * Minor corrections in vignettes and documentation bibliometrix v1.0 (Release date: 2016-06-28) ============== New functionality: * histNetwork() creates a historical co-citation network from a bibliographic data frame. Changes: * Minor fixes in cocMatrix() function * Minor corrections in vignettes and documentation bibliometrix v0.8 (Release date: 2016-06-10) ============== New functionality: * Hindex() calculates the authors' h-index and its variants (g-index, m-index) in a a bibliographic collection. New data: * garfield dataset Changes: * Minor corrections in vignettes and documentation bibliometrix v0.7 (Release date: 2016-06-04) ============== New functionality: * timeslice() calculates Jaccard and Salton similarity indices among manuscripts of a coupling network * dfMerge() merges two bibliographic data frames deleting duplicate manuscripts. * metaTagExtraction() now extracts also university of affiliation for each co-author Changes: * Minor fixes in metaTagExtraction() function * Minor corrections in vignettes and documentation bibliometrix v0.6 (Release date: 2016-05-30) ============== New functionality: * couplingSimilarity() calculates Jaccard and Salton similarity indices among manuscripts of a coupling network Changes: * Minor corrections in vignettes and documentation bibliometrix v0.5 (Release date: 2016-05-25) ============== New functionality: * localCitations() generates the frequency table of the most cited local authors. Changes: * Minor fixes in citations() function * Minor corrections in vignettes and documentation bibliometrix v0.4 (Release date: 2016-05-23) ============== Changes: * Minor fixes in citations() function bibliometrix v0.3 (Release date: 2016-05-21) ============== Changes: * Minor corrections in vignettes and documentation bibliometrix v0.2 (Release date: 2016-05-19) ============== Changes: * Additional vignettes and documentation New functionality: * citations() generates the frequency table of the most cited references or the most cited first authors (of references). * lotka() now performs Kolmogorov-Smirnoff two-sample test among observed and theoretical Lotka's distributions. Bug Fixes: * Minor fixes in importing routines and summary function.