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roadoi interacts with the Unpaywall REST API, an openly available web-interface which returns metadata about open access versions of scholarly works.
This client supports the most recent API Version 2.
API Documentation: https://unpaywall.org/products/api
Use the oadoi_fetch() function in this package to get
open access status information and full-text links from Unpaywall.
roadoi::oadoi_fetch(dois = c("10.1038/ng.3260", "10.1093/nar/gkr1047"),
email = "najko.jahn@gmail.com")
#> # A tibble: 2 x 21
#> doi best_oa_location oa_locations oa_locations_emb…
#> <chr> <list> <list> <list>
#> 1 10.1038… <tibble [1 × 11]> <tibble [1 … <tibble [0 × 0]>
#> 2 10.1093… <tibble [1 × 10]> <tibble [6 … <tibble [0 × 0]>
#> # … with 17 more variables: data_standard <int>,
#> # is_oa <lgl>, is_paratext <lgl>, genre <chr>,
#> # oa_status <chr>, has_repository_copy <lgl>,
#> # journal_is_oa <lgl>, journal_is_in_doaj <lgl>,
#> # journal_issns <chr>, journal_issn_l <chr>,
#> # journal_name <chr>, publisher <chr>,
#> # published_date <chr>, year <chr>, title <chr>,
#> # updated_resource <chr>, authors <list>There are no API restrictions. However, providing an email address is required and a rate limit of 100k is suggested. If you need to access more data, use the data dump instead.
This package also has a RStudio Addin for easily finding free full-texts in RStudio.
Install and load from CRAN:
install.packages("roadoi")
library(roadoi)To install the development version, use the devtools package
devtools::install_github("ropensci/roadoi")
library(roadoi)See https://docs.ropensci.org/roadoi/ to get started.
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.
License: MIT
Please use the issue tracker for bug reporting and feature requests.
These binaries (installable software) and packages are in development.
They may not be fully stable and should be used with caution. We make no claims about them.
Health stats visible at Monitor.