rcrossref (version 0.3.0)

cr_journals: Search CrossRef journals

Description

Search CrossRef journals

Usage

cr_journals(issn = NULL, query = NULL, filter = NULL, offset = NULL,
  limit = NULL, sample = NULL, sort = NULL, order = NULL,
  works = FALSE, .progress = "none", ...)

Arguments

issn

One or more ISSN's. Format is XXXX-XXXX.

query

Query terms

filter

Filter options. See details.

offset

Number of record to start at, from 1 to infinity.

limit

Number of results to return in the query. Not relavant when searching with specific dois. Default: 20. Max: 1000

sample

(integer) Number of random results to return. when you use the sample parameter, the rows and offset parameters are ignored.

sort

(character) Field to sort on, one of score, relevance, updated, deposited, indexed, or published.

order

(character) Sort order, one of 'asc' or 'desc'

works

(logical) If TRUE, works returned as well, if not then not.

.progress

Show a plyr-style progress bar? Options are "none", "text", "tk", "win, and "time". See create_progress_bar for details of each.

...

Named parameters passed on to GET

Details

BEWARE: The API will only work for CrossRef DOIs.

Note that some parameters are ignored unless works=TRUE: sample, sort, order, filter

References

https://github.com/CrossRef/rest-api-doc/blob/master/rest_api.md

Examples

cr_journals(issn="2167-8359")
cr_journals()
cr_journals(issn="2167-8359", works=TRUE)
cr_journals(issn=c('1803-2427','2326-4225'))
cr_journals(query="ecology")
cr_journals(issn="2167-8359", query='ecology', works=TRUE, sort='score', order="asc")
cr_journals(issn="2167-8359", query='ecology', works=TRUE, sort='score', order="desc")
cr_journals(issn="2167-8359", works=TRUE, filter=c(from_pub_date='2014-03-03'))
cr_journals(query="peerj")
cr_journals(issn='1803-2427', works=TRUE)
cr_journals(issn='1803-2427', works=TRUE, sample=1)
cr_journals(limit=2)

# fails, if you want works, you must give an ISSN
cr_journals(query = "ecology", filter=c(has_full_text = TRUE), works = TRUE)