window.tis {tis} | R Documentation |
window.tis
extracts the subset of the object x
observed
between the times start
and end
.
## S3 method for class 'tis': window(x, start = NULL, end = NULL, extend = FALSE, noWarn = FALSE, ...)
x |
a tis object
|
start |
the start time of the period of interest. |
end |
the end time of the period of interest. |
extend |
logical. If TRUE , the start and end values are
allowed to extend the series. If FALSE , attempts to extend the
series are ignored and a warning is issued unless noWarn is FALSE .
|
noWarn |
logical. If FALSE (the default), warnings are generated if
extend is FALSE and either (i) start is
earlier than the start of the series or (ii) end is later
than the end of the series.
|
... |
other arguments to this function are ignored. |
The start and end times can be ti
objects, or anything that
ti(z, tif = tif, freq = frequency)
, can turn into a ti
object.
A tis
object that starts and ends at the given times.
The replacement method window<-.tis
has not been implemented.
Use the subscript operator with a ti
argument to replace values
of a tis
object.
z <- tis(1:24, start = c(2001,1), freq = 12) z2 <- window(z, start = 19991231, extend = TRUE) ## z2 extends back with NA's window(z, end = end(z) - 3)