Uses SCOPUS API search to get information about documents on a set of authors using SCOPUS ID.
retrievalByAuthorID(id, api_key, remove.duplicated =TRUE, country =TRUE)
Arguments
id: is a vector of characters containing the author's SCOPUS IDs. SCOPUS IDs con be obtained using the function idByAuthor.
api_key: is a character. It contains the Elsvier API key. Information about how to obtain an API Key Elsevier API website
remove.duplicated: is logical. If TRUE duplicated documents will be deleted from the bibliographic collection.
country: is logical. If TRUE authors' country information will be downloaded from SCOPUS.
Returns
a list containing two objects: (i) M which is a data frame with cases corresponding to articles and variables to main Field Tags named using the standard ISI WoS Field Tag codify. M includes the entire bibliographic collection downloaded from SCOPUS. The main field tags are:
AU
Authors
TI
Document Title
SO
Publication Name (or Source)
DT
Document Type
DE
Authors' Keywords
ID
Keywords associated by SCOPUS or ISI database
AB
Abstract
C1
Author Address
RP
Reprint Address
TC
Times Cited
PY
Year
UT
Unique Article Identifier
DB
Database
(ii) authorDocuments which is a list containing a bibliographic data frame for each author.
LIMITATIONS: Currently, SCOPUS API does not allow to download document references. As consequence, it is not possible to perform co-citation analysis (the field CR is empty).
Examples
## Request a personal API Key to Elsevier web page https://dev.elsevier.com/sc_apis.html## api_key="your api key"## create a data frame with the list of authors to get information and IDs# i.e. df[1,1:3] <- c("aria","massimo","naples")# df[2,1:3] <- c("cuccurullo","corrado", "naples")## run idByAuthor function## authorsID <- idByAuthor(df, api_key)### extract the IDs# # id <- authorsID[,3]### create the bibliographic collection# # res <- retrievalByAuthorID(id, api_key)## M <- res$M # the entire bibliographic data frame# M <- res$authorDocuments # the list containing a bibliographic data frame for each author
See Also
idByAuthor for downloading author information and SCOPUS ID.