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Study Year
dtt_study_year(x, start = 1L, full = TRUE)
A character vector of the study year or an integer vector of the first year.
A Date or POSIXct vector.
An integer vector of the starting month or a Date vector of the starting date.
A flag specifying whether to return a character vector of the study years (or an integer vector of the first year)
dtt_study_year( as.Date(c("2000-03-31", "2000-04-01", "2001-04-01")), start = 4L ) dtt_study_year( as.Date(c("2000-03-31", "2000-04-01", "2001-04-01")), start = 4L, full = FALSE )
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