onOrAfter | R Documentation |
Compute the date that is a "on-or-after" or "on-or-before" n-day.
timeNdayOnOrAfter(charvec, nday = 1, format = "%Y-%m-%d",
zone = "", FinCenter = "")
timeNdayOnOrBefore(charvec, nday = 1, format = "%Y-%m-%d",
zone = "", FinCenter = "")
charvec |
a character vector of dates and times. |
nday |
an integer vector with entries ranging from
|
format |
the format specification of the input character vector. |
zone |
the time zone or financial center where the data were recorded. |
FinCenter |
a character with the location of the financial center named as "continent/city". |
timeNdayOnOrAfter
returns the date in the specified month that
is a n-day (e.g. Sunday) on or after the given date. Month and date
are given through argument charvec
.
The function timeNdayOnOrBefore
returns the date that is a
n-day on or before the given date.
an object of class "timeDate"
## date as character string
charvec = "2006-04-16"
## timeNdayOnOrAfter
# What date has the first Monday on or after March 15, 1986?
timeNdayOnOrAfter("1986-03-15", 1)
## timeNdayOnOrBefore
# What date has Friday on or before April 22, 1977?
timeNdayOnOrBefore("1986-03-15", 5)
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