dates

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Generate Dates and Times Components from Input

Create objects which represent dates or times.

Keywords
chron
Usage
dates(x, ...)
times(x, ...)
Arguments
x
a chron object, a character vector, or a numeric vector specifying time. If character, it must be in a format recognized by chron(). If numeric, it specifies Julian dates, i.e., number of days since an origin.
...
parameters for chron().
Value

  • An object of class dates or times, depending of the function called.

    These functions return objects inheriting from dates and times, respectively. They call chron() if x does not belong to any of the chronological classes.

See Also

chron, times, seq.dates, cut.dates

Aliases
  • dates
  • times
  • Math.dates
  • Ops.dates
  • Summary.dates
  • [<-.dates
  • all.equal.dates
  • as.data.frame.dates
  • c.dates
  • format.dates
  • print.dates
  • trunc.dates
  • Math.times
  • Ops.times
  • Summary.times
  • [.times
  • [<-.times
  • [[.times
  • as.character.times
  • as.data.frame.times
  • axis.times
  • c.times
  • diff.times
  • format.times
  • format<-.times
  • hist.times
  • identify.times
  • is.na.times
  • lines.times
  • mean.times
  • plot.times
  • points.times
  • print.times
  • quantile.times
  • summary.times
Examples
dts <- dates(c("02/27/92", "02/27/92", "01/14/92",
               "02/28/92", "02/01/92"))
dts
# [1] 02/27/92 02/27/92 01/14/92 02/28/92 02/01/92
class(dts)

x <- chron(dates = c("02/27/92", "02/27/92", "01/14/92", "02/28/92"),
           times = c("23:03:20", "22:29:56", "01:03:30", "18:21:03"))
dates(x)
# [1] 02/27/92 02/27/92 01/14/92 02/28/92
Documentation reproduced from package chron, version 2.2-7, License: GPL

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