Checks date format.
Checks that the character form of a vector of dates conforms to YYYYMMDDHH or YYYYMMDD.
dateCheck(YYYYMMDDHH)
YYYYMMDDHH |
A character vector (or its factor equivalent) of dates which should be in the form YYYYMMDDHH or YYYYMMDD, in which YYYY specifies the year, MM the month, DD the day, and (optionally) HH the hour. |
If both YYYYMMDDHH and YYYYMMDD are present,
the YYYYMMDD dates are assumed to be in error
even if HH == 00 for all of the longer dates.
Requires the chron library.
A logical vector indicating whether or not each element of YYYYMMDDHH has the correct format.
dateCheck(c("2008043000", "20080431", "20080501"))Please choose more modern alternatives, such as Google Chrome or Mozilla Firefox.