| vdate-class {uroot} | R Documentation |
This class contains the times at which a time series is observed and relates those dates to their location in the sample, i.e. the number of observation they are related to.
input:"numeric": either the year and season of an observation
provided as input or the location in the sample (observation) of a date provided as the input.output:"matrix": either the location in the sample of a date
specified in input or the date related to the observation specified in input.
the year and the season.wts:"ts": the univariate time series.ys:"matrix": the year and season of an observation.obs:"matrix": the location in the sample of a date specified by
the year and the season.Myso:"matrix": a matrix containing the dates and their locations
in the sample at which the time series is observed.signature(x = "vdate"): Coerce an object of class `vdate' to a `numeric'.signature(object = "vdate"): Report the date to which a given observation is related
to and vice versa.signature(object = "vdate"): Returns the date `x' times ahead in the sample. If
that date is out of sample a message is generated.Javier López-de-Lacalle javlacalle@yahoo.es and Ignacio Díaz-Emparanza Ignacio.Diaz-Emparanza@ehu.es.