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Estimate CRAN's date

Source: R/cran_snapshot.R
cran_date.Rd

Check which CRAN dates are possible for a given packages and versions.

Usage

cran_date(versions)

cran_session(session = sessionInfo())

Arguments

versions

A data.frame with the packages names and versions

session

Session information.

Value

Last installation date from CRAN.

Examples

ip <- installed.packages()
cran_date(ip)
#> Error in versions$Package: $ operator is invalid for atomic vectors
cran_session()
#> [1] "2025-03-03"