Quarters divide the year into fourths. Semesters divide the year into halfs.
quarter(x, with_year = FALSE, fiscal_start = 1)semester(x, with_year = FALSE)
a date-time object of class POSIXct, POSIXlt, Date, chron, yearmon, yearqtr, zoo, zooreg, timeDate, xts, its, ti, jul, timeSeries, fts or anything else that can be converted with as.POSIXlt
logical indicating whether or not to include the quarter's year.
numeric indicating the starting month of a fiscal year
numeric
# NOT RUN { x <- ymd(c("2012-03-26", "2012-05-04", "2012-09-23", "2012-12-31")) quarter(x) quarter(x, with_year = TRUE) quarter(x, with_year = TRUE, fiscal_start = 11) semester(x) semester(x, with_year = TRUE) # }