cut.POSIXt {base} | R Documentation |
Method for cut
applied to date-time objects.
cut(x, breaks, labels=NULL, start.on.monday=TRUE, ...)
x |
an object inheriting from class "POSIXt" . |
breaks |
a vector of cut points or number giving the number of
intervals which x is to be cut into or an
interval specification, one of "secs" , "mins" ,
"hours" , "days" , "weeks" , "months"
or "years" .
|
labels |
labels for the levels of the resulting category. By default,
labels are constructed using "(a,b]" interval notation. If
labels = FALSE , simple integer codes are returned instead
of a factor.
|
start.on.monday |
logical. If breaks = "weeks" , should the
week start on Mondays or Sundays? |
... |
arguments to be passed to or from other methods. |
A factor is returned, unless labels = FALSE
which returns
the integer level codes.
## random dates in a 10-week period cut(ISOdate(2001, 1, 1) + 70*86400*runif(100), "weeks")