timeSequence | R Documentation |
Constructs a timeSequence
object.
timeSequence(from, to, by, length.out, k.by=1, align.by=FALSE, extend=FALSE, week.align=NULL, holidays=timeDate(), exceptions, additions, format, zone )
If any arguments are supplied, exactly three of from
, to
,
by
, and length.out
must be supplied.
from |
the starting value of the sequence: a |
to |
the ending value of the sequence: a |
by |
the spacing between successive values in the sequence. This can be
a "milliseconds" "seconds" "minutes" "hours" "days" "weekdays" "bizdays" "weeks" "months" "quarters" "years" |
length.out |
the length of the sequence before additions and exceptions. |
k.by |
a non-zero integer giving the width of the interval between consecutive
values in the sequence in terms of the units given in |
align.by |
a logical value. If |
extend |
a logical value. If |
week.align |
if In either case, the |
holidays |
the holidays for business day sequences (ignored if |
exceptions |
an event object giving time periods when sequence should not have any values. These are applied after the sequence is created from from/to/by/length.out. |
additions |
additional times/dates to put in the sequence. |
format |
the time/date output format for printing. |
zone |
the time zone for the sequence. |
returns a time sequence object as defined by the arguments.
Note that the timeSeq
function is similar,
except that it returns a time/date vector.
This function returns a compact time sequence
object that retains information about the sequence.
timeSeq
, timeSequence
,
holidays
,
timeEvent
timeSequence("1/1/1992", "12/1/1992", by = "months") timeSequence("1/3/1992", "12/5/1992", by = "months", align.by=TRUE) timeSequence("1/1/1992", "1/31/1992", by = "weeks", align.by=TRUE, week.align="Mon") timeSequence("1/1/1992", "12/31/1992", by="weekdays", exceptions=holidays(1992)) timeSequence("1/1/1992", "1/1/1995", by="months", exceptions=timeEvent("1/1/1993", "12/31/1993"))
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