bibliometrix (version 3.1.4)

citations: 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)

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

# NOT RUN {
## 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]

# }