quarter {lubridate} | R Documentation |
Get the fiscal quarter and semester of a date-time
Description
Quarters divide the year into fourths. Semesters divide the year into halfs.
Usage
quarter(
x,
type = "quarter",
fiscal_start = 1,
with_year = identical(type, "year.quarter")
)
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 |
type |
the format to be returned for the quarter. Can be one one of "quarter" - return numeric quarter (default), "year.quarter" return the ending year and quarter as a number of the form year.quarter, "date_first" or "date_last" - return the date at the quarter's start or end, "year_start/end" - return a full description of the quarter as a string which includes the start and end of the year (ex. "2020/21 Q1"). |
fiscal_start |
numeric indicating the starting month of a fiscal year. |
with_year |
logical indicating whether or not to include the quarter or
semester's year (deprecated; use the |
Value
numeric or a vector of class POSIXct if type
argument is date_first
or
date_last
. When type
is year.quarter
the year returned is the end year of the
financial year.
Examples
x <- ymd(c("2012-03-26", "2012-05-04", "2012-09-23", "2012-12-31"))
quarter(x)
quarter(x, type = "year.quarter")
quarter(x, type = "year.quarter", fiscal_start = 11)
quarter(x, type = "date_first", fiscal_start = 11)
quarter(x, type = "date_last", fiscal_start = 11)
semester(x)
semester(x, with_year = TRUE)