seq.dates
From chron v2.3-56
by Kurt Hornik
Generate Chron or Dates Sequences
Generate a regular sequence of dates.
- Keywords
- chron
Usage
# S3 method for dates
seq(from, to, by = "days", length., …)Arguments
- from
starting date; it can be a chron or dates object, a character string, e.g.,
"05/23/91", or a Julian date.- to
ending date, like
from.- by
either a numeric value or one of the valid strings
"days","weeks","months", or"years".- length.
optional number of elements in the sequence.
- …
further arguments to be passed to or from methods.
Value
a sequence with values (from, from + by,
from + 2*by, …, to) of class
class(from) and origin origin(from).
Note that from must be less than or equal to the argument
to.
See Also
Examples
# NOT RUN {
seq.dates("01/01/92", "12/31/92", by = "months")
# [1] 01/01/92 02/01/92 03/01/92 04/01/92 05/01/92 06/01/92
# [7] 07/01/92 08/01/92 09/01/92 10/01/92 11/01/92 12/01/92
end.of.the.month <- seq.dates("02/29/92", by = "month", length = 15)
end.of.the.month
# [1] 02/29/92 03/31/92 04/30/92 05/31/92 06/30/92 07/31/92
# [7] 08/31/92 09/30/92 10/31/92 11/30/92 12/31/92 01/31/93
# [13] 02/28/93 03/31/93 04/30/93
# }
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