seq.dates

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Generate Chron or Dates Sequences

Generate a regular sequence of dates.

Keywords
chron
Usage
seq.dates(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 (form, 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

chron, dates, cut.dates

Aliases
  • seq.dates
Examples
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
Documentation reproduced from package chron, version 2.3-35, License: GPL-2

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