crevents

crevents Crossref events data R client

Crossref Events Data docs - https://www.eventdata.crossref.org/guide/

Package API:

• crev_query() - /events API route
• crev_edited() - /events/edited API route
• crev_deleted() - /events/deleted API route
• crev_evrecs() - helper to fetch evidence records JSON payloads

Installation

stable version

install.packages("crevents")

development version

install.packages("devtools")
devtools::install_github("ropensci/crevents")

library('crevents')

query

crev_query(rows = 3)
#> $status
#> [1] "ok"
#> 
#> $`message-type`
#> [1] "event-list"
#> 
#> $message
#> $message$`next-cursor`
#> [1] "68fb09a4-fb4b-492c-bce2-71f3e8880e4c"
#> 
#> $message$`total-results`
#> [1] 441555734
#> 
#> $message$`items-per-page`
#> [1] 3
#> 
#> $message$events
#> # A tibble: 3 x 24
#>   license terms updated_reason updated obj_id source_token occurred_at subj_id
#>   <chr>   <chr> <chr>          <chr>   <chr>  <chr>        <chr>       <chr>  
#> 1 https:… http… https://evide… edited  https… 45a1ef76-4f… 2017-02-17… http:/…
#> 2 https:… http… https://evide… edited  https… 45a1ef76-4f… 2017-02-17… http:/…
#> 3 https:… http… https://evide… edited  https… 45a1ef76-4f… 2017-02-17… http:/…
#> # … with 16 more variables: id <chr>, evidence_record <chr>, action <chr>,
#> #   source_id <chr>, timestamp <chr>, updated_date <chr>,
#> #   relation_type_id <chr>, subj.pid <chr>, subj.title <chr>,
#> #   subj.issued <chr>, `subj.original-tweet-url` <chr>,
#> #   `subj.original-tweet-author` <chr>, `subj.alternative-id` <chr>,
#> #   subj.author.url <chr>, obj.pid <chr>, obj.url <chr>

Limit to events from Reddit

x <- crev_query(rows = 3, source = "reddit")
x$message$events
#> # A tibble: 3 x 18
#>   license obj_id source_token occurred_at subj_id id    evidence_record terms
#>   <chr>   <chr>  <chr>        <chr>       <chr>   <chr> <chr>           <chr>
#> 1 https:… https… a6c9d511-92… 2016-01-16… https:… e37e… https://eviden… http…
#> 2 https:… https… a6c9d511-92… 2016-09-13… https:… c831… https://eviden… http…
#> 3 https:… https… a6c9d511-92… 2016-01-14… https:… 783b… https://eviden… http…
#> # … with 10 more variables: action <chr>, source_id <chr>, timestamp <chr>,
#> #   relation_type_id <chr>, subj.pid <chr>, subj.type <chr>, subj.title <chr>,
#> #   subj.issued <chr>, obj.pid <chr>, obj.url <chr>

Meta

• Please report any issues or bugs.
• License: MIT
• Get citation information for crevents in R doing citation(package = 'crevents')
• Please note that this project is released with a Contributor Code of Conduct. By participating in this project you agree to abide by its terms.