citations {bibliometrix}R Documentation

Citation frequency distribution

Description

It calculates frequency distribution of citations.

Usage

citations(M, field = "article", sep = ";")

Arguments

M

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 Web of Science file.

field

is a character. It can be "article" or "author" to obtain frequency distribution of cited citations or cited authors (only first authors for WoS database) respectively. The default is field = "article".

sep

is the field separator character. This character separates citations in each string of CR column of the bibliographic data frame. The default is sep = ";".

Value

an object of class "list" containing the following components:

Cited the most frequent cited manuscripts or authors
Year the publication year (only for cited article analysis)
Source the journal (only for cited article analysis)

See Also

biblioAnalysis function for bibliometric analysis.

summary to obtain a summary of the results.

plot to draw some useful plots of the results.

Examples

## EXAMPLE 1: Cited articles

data(scientometrics,package = "bibliometrixData")

CR <- citations(scientometrics, field = "article", sep = ";")

CR$Cited[1:10]
CR$Year[1:10]
CR$Source[1:10]

## EXAMPLE 2: Cited first authors

data(scientometrics)

CR <- citations(scientometrics, field = "author", sep = ";")

CR$Cited[1:10]


[Package bibliometrix version 3.1.4 Index]