rcrossref (version 0.5.2)

cr_citation_count: Lookup article info via CrossRef with DOI and get a citation count.

Description

Lookup article info via CrossRef with DOI and get a citation count.

Usage

cr_citation_count(doi, url = "http://www.crossref.org/openurl/", key = "[e-mail]", ...)

Arguments

doi

digital object identifier for an article in PLoS Journals

url

the PLoS API url for the function (should be left to default)

key

your PLoS API key, either enter, or loads from .Rprofile

...

Named parameters passed on to GET

Value

citation count

Details

See http://labs.crossref.org/openurl/ for more info on this Crossref API service.

See Also

cr_search, cr_r, cr_search_free

Examples

## Not run: 
# cr_citation_count(doi="10.1371/journal.pone.0042793")
# cr_citation_count(doi="10.1016/j.fbr.2012.01.001")
# # DOI not found
# cr_citation_count(doi="10.1016/j.fbr.2012")
# ## End(Not run)