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biblioNetwork
creates different bibliographic networks from a bibliographic data frame.
biblioNetwork(
M,
analysis = "coupling",
network = "authors",
n = NULL,
sep = ";",
short = FALSE,
shortlabel = TRUE,
remove.terms = NULL,
synonyms = NULL
)
It is a squared network matrix. It is an object of class dgMatrix
of the package Matrix
.
is a bibliographic data frame obtained by the converting function
convert2df
. It is a data matrix with cases corresponding to
manuscripts and variables to Field Tag in the original SCOPUS and Clarivate Analytics WoS file.
is a character object. It indicates the type of analysis can be performed.
analysis
argument can be "collaboration"
, "coupling"
, "co-occurrences"
or "co-citation"
.
Default is analysis = "coupling"
.
is a character object. It indicates the network typology. The network
argument can be
"authors"
, "references"
, "sources"
, "countries"
,"keywords"
, "author_keywords"
, "titles"
, or "abstracts"
.
Default is network = "authors"
.
is an integer. It indicates the number of items to select. If N = NULL
, all items are selected.
is the field separator character. This character separates strings in each column of the data frame. The default is sep = ";"
.
is a logical. If TRUE all items with frequency<2 are deleted to reduce the matrix size.
is logical. IF TRUE, reference labels are stored in a short format. Default is shortlabel=TRUE
.
is a character vector. It contains a list of additional terms to delete from the documents before term extraction. The default is remove.terms = NULL
.
is a character vector. Each element contains a list of synonyms, separated by ";", that will be merged into a single term (the first word contained in the vector element). The default is synonyms = NULL
.
The function biblioNetwork
can create a collection of bibliographic networks
following the approach proposed by Batagelj & Cerinsek (2013) and Aria & cuccurullo (2017).
Typical networks output of biblioNetwork
are:
#### Collaboration Networks ############
-- Authors collaboration (analysis = "collaboration", network = "authors")
-- University collaboration (analysis = "collaboration", network = universities")
-- Country collaboration (analysis = "collaboration", network = "countries")
#### Co-citation Networks ##############
-- Authors co-citation (analysis = "co-citation", network = "authors")
-- Reference co-citation (analysis = "co-citation", network = "references")
-- Source co-citation (analysis = "co-citation", network = "sources")
#### Coupling Networks ################
-- Manuscript coupling (analysis = "coupling", network = "references")
-- Authors coupling (analysis = "coupling", network = "authors")
-- Source coupling (analysis = "coupling", network = "sources")
-- Country coupling (analysis = "coupling", network = "countries")
#### Co-occurrences Networks ################
-- Authors co-occurrences (analysis = "co-occurrences", network = "authors")
-- Source co-occurrences (analysis = "co-occurrences", network = "sources")
-- Keyword co-occurrences (analysis = "co-occurrences", network = "keywords")
-- Author-Keyword co-occurrences (analysis = "co-occurrences", network = "author_keywords")
-- Title content co-occurrences (analysis = "co-occurrences", network = "titles")
-- Abstract content co-occurrences (analysis = "co-occurrences", network = "abstracts")
References:
Batagelj, V., & Cerinsek, M. (2013). On bibliographic networks. Scientometrics, 96(3), 845-864.
Aria, M., & Cuccurullo, C. (2017). bibliometrix: An R-tool for comprehensive science mapping analysis. Journal of Informetrics, 11(4), 959-975.
convert2df
to import and convert a SCOPUS and Thomson
Reuters' ISI Web of Knowledge export file in a data frame.
cocMatrix
to compute a co-occurrence matrix.
biblioAnalysis
to perform a bibliometric analysis.
# EXAMPLE 1: Authors collaboration network
# data(scientometrics, package = "bibliometrixData")
# NetMatrix <- biblioNetwork(scientometrics, analysis = "collaboration",
# network = "authors", sep = ";")
# net <- networkPlot(NetMatrix, n = 30, type = "kamada", Title = "Collaboration",labelsize=0.5)
# EXAMPLE 2: Co-citation network
data(scientometrics, package = "bibliometrixData")
NetMatrix <- biblioNetwork(scientometrics,
analysis = "co-citation",
network = "references", sep = ";"
)
net <- networkPlot(NetMatrix, n = 30, type = "kamada", Title = "Co-Citation", labelsize = 0.5)
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