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)

Arguments

x

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

with_year

logical indicating whether or not to include the quarter's year.

fiscal_start

numeric indicating the starting month of a fiscal year

Value

numeric

Examples

x <- ymd(c("2012-03-26", "2012-05-04", "2012-09-23", "2012-12-31")) quarter(x)
#> [1] 1 2 3 4
quarter(x, with_year = TRUE)
#> [1] 2012.1 2012.2 2012.3 2012.4
quarter(x, with_year = TRUE, fiscal_start = 11)
#> [1] 2012.2 2012.3 2012.4 2013.1
semester(x)
#> [1] 1 1 2 2
semester(x, with_year = TRUE)
#> [1] 2012.1 2012.1 2012.2 2012.2