Time Windows
Usage
window(x, start=NULL, end=NULL, warn=TRUE)
Arguments
x
|
a time-series or other object.
|
start
|
the start time of the period of interest.
|
end
|
the end time of the period of interest.
|
warn
|
if FALSE omit warnings about start and
end being out of range.
|
Description
window
is a generic function which
extracts the subset of the object x
observed between the times start
and end
.
Methods are available for time series and point-processes.Note
The warn
argument is for use by lazy R programmers
whose code requires window
to do the checking silently.See Also
time
, ts
.Examples
data(presidents)
sixties <- window(presidents, 1960, c(1969,4))