periodDF-class {timeDF} | R Documentation |
periodDF object stores definitions of periods.
periodDF object stores definitions of periods and the periods can be
defined in one of some timescales, "time", "date" or
"time_in_a_day". If "time" is specified, each period means period
between two timepoints. If "date" is specified, each period represents
period between two dates. If "time_in_a_day" is used, each period
means period between two timepoints in a day. periodDF object is used
with functions in timeDF-package
, and those functions
behave diffrently based on the timescale.
as.periodDF
vec_to_periodDF
timeDF-package