vdate-class: "vdate" Class

In uroot: Unit Root Tests and Graphics for Seasonal Time Series

Description

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.

Slots

input:

Object of class "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:

Object of class "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:

Object of class "ts": the univariate time series.

ys:

Object of class "matrix": the year and season of an observation.

obs:

Object of class "matrix": the location in the sample of a date specified by the year and the season.

Myso:

Object of class "matrix": a matrix containing the dates and their locations in the sample at which the time series is observed.

Methods

as.numeric

signature(x = "vdate"): Coerce an object of class ‘vdate’ to a ‘numeric’.

show

signature(object = "vdate"): Report the date to which a given observation is related to and vice versa.

stepdate

signature(object = "vdate"): Returns the date ‘x’ times ahead in the sample. If that date is out of sample a message is generated.

Author(s)

Javier Lopez-de-Lacalle [e-mail] and Ignacio Diaz-Emparanza [e-mail].

See Also

Mdates.

uroot documentation built on May 2, 2019, 6:49 p.m.