Check that a vector conforms to a given date format such as YYYYMMDD.
chk_date_yyyymmdd(x)
chk_date_yyyymm(x)
chk_date_yyyy(x)A vector to check.
A logical vector flagging records that have passed or failed the check.
Other vector checks:
chk-dummy,
chk-labels,
chk-patterns,
chk-text,
chk-uniqueness,
chk-values
date <- c(20210101, 20211301, 20210132, 202101, 2021)
chk_date_yyyymmdd(date)
#> [1] TRUE FALSE FALSE FALSE FALSE
date <- c(202101, 202112, 202113, 2021)
chk_date_yyyymm(date)
#> [1] TRUE TRUE FALSE FALSE
date <- c("0001", "1688", "1775", "1789", "1791", "1848")
chk_date_yyyy(date)
#> [1] TRUE TRUE TRUE TRUE TRUE TRUE