Multitime objects have a primary time scale and a secondary time scale. The latter can be used to distinguish between duplicates in the primary time scale or provide an alternate representation such as specific dates that correspond to year/months.
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Primary time scale.
Optional secondary time scale.
Other arguments passed to individual methods.
Creates an object of class
multitime which has a primary and
possibly secondary time scale. Methods provided are:
The primary and secondary time scales when considered in conjunction with
each other must be unique if they are to be used as the times of a zoo
object yet individually need not be.
as.yearqtr methods search
through the time scales and return the first one found of the indicated
class or if none found convert the first time scale to the indicated class.
An object of class
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