Derive the date imputation flag (*DTF) comparing a date character vector
(--DTC) with a Date vector (*DT).
See also
Date/Time Computation Functions that returns a vector:
compute_age_years(),
compute_duration(),
compute_tmf(),
convert_date_to_dtm(),
convert_dtc_to_dt(),
convert_dtc_to_dtm(),
impute_dtc_dt(),
impute_dtc_dtm()
Examples
compute_dtf(dtc = "2019-07", dt = as.Date("2019-07-18"))
#> [1] "D"
compute_dtf(dtc = "2019", dt = as.Date("2019-07-18"))
#> [1] "M"
compute_dtf(dtc = "--06-01T00:00", dt = as.Date("2022-06-01"))
#> [1] "Y"
compute_dtf(dtc = "2022-06--T00:00", dt = as.Date("2022-06-01"))
#> [1] "D"
compute_dtf(dtc = "2022---01T00:00", dt = as.Date("2022-06-01"))
#> [1] "M"
compute_dtf(dtc = "2022----T00:00", dt = as.Date("2022-06-01"))
#> [1] "M"
