tableTag function

Tabulate elements from a Tag Field column

It tabulates elements from a Tag Field column of a bibliographic data frame.

tableTag(
  M,
  Tag = "CR",
  sep = ";",
  ngrams = 1,
  remove.terms = NULL,
  synonyms = NULL
)

Arguments

• M: is a data frame obtained by the converting function convert2df. It is a data matrix with cases corresponding to articles and variables to Field Tag in the original WoS or SCOPUS file.
• Tag: is a character object. It indicates one of the field tags of the standard ISI WoS Field Tag codify.
• sep: is the field separator character. This character separates strings in each column of the data frame. The default is sep = ";".
• ngrams: is an integer between 1 and 3. It indicates the type of n-gram to extract from titles or abstracts.
• remove.terms: 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.
• synonyms: 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.

Returns

an object of class table

Details

tableTag is an internal routine of main function biblioAnalysis.

Examples

data(scientometrics, package = "bibliometrixData")
Tab <- tableTag(scientometrics, Tag = "CR", sep = ";")
Tab[1:10]