Convert a set of dates to numeric timepoints — date_to_time • ggrrr

Using a day_zero and a unit specification or a full sequence of dates (see 'full_seq_dates()')

Usage

date_to_time(
  dates,
  unit = .day_interval(dates),
  day_zero = getOption("day_zero", "2019-12-29")
)

Arguments

dates: a vector of dates to convert
unit: a specification of the unit of the resulting time series. Will be determined from periodicity of dates if not specified
day_zero: the origin of the conversion. Defaults to the beginning of the COVID pandemic

Value

a sequence of numeric time points as the number of periods since day zero

Examples

# DEPRECATED
# times = date_to_time(as.Date("2019-12-29")+0:100, "1 week")
# dates = time_to_date(times)