It uses available information to provide the most accurate information of CRAN at any given time.
Details
Several sources are used: CRAN's database to check packages files and versions, CRAN's volunteers actions for when packages are archived or removed and CRAN's comments to fill in the gaps.
See also
cran_archive()
, cran_actions()
, cran_comments()
.
Other meta info from CRAN:
cran_alias()
,
cran_archive()
,
cran_comments()
,
cran_links()