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For easy calculation. Does not handle cprs with letters (interim cpr)
cpr_dob(cpr, format = "%d-%m-%Y")
character vector
cpr-numbers as ddmmyy"-."xxxx or ddmmyyxxxx. Also mixed formatting. Vector or data frame column.
character string of dob date format. Default is "%d-%m-%Y".
cpr_dob("231045-0637") fsd<-c("2310450637", "010190-2000", "010115-4000", "300450-1030","010150-4021") cpr_dob(fsd)
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