iso8601todataframe: Split Date, Time and DateTime ISO8601 strings into their elements

Description

Split Date, Time and DateTime ISO8601 strings into their elements

Usage

iso8601todataframe(
  x,
  transformdate = c("no", "toyearmonthday", "toyearday"),
  ndigitsyear = 4L
)

Value

Returns a data.frame with possibly the following columns:

type: Type of ISO 8601 string. A factor with the following possible values: 'Date', 'Time', 'Datetime', 'Duration', 'Interval', 'RepeatingInterval'.
year: Year.
month: Month.
day: Day of the month.
week: Week
weekday: Day of the week
yearday: Day of the year.
hour: Hour of the day.
minutes: Minutes
seconds: Seconds
tzoffsethours: The time zone offset. An offset of +1 means 1 hour to the east of GMT.
tzoffsetminutes: The additional offset in minutes (between 0 and 59).

Columns corresponding to elements that do not occur in any of the strings are omitted from the resulting data.frame.

Arguments

x: character vector of date, time or date-time strings
transformdate: Transform the date to the given format. This also immplies that missing parts of the date are replaces by values of 1.
ndigitsyear: Number of digits used to encode the year. This should be an integer with values >= 4 with the same length as x or length one. When it is a vector with length greater than one, a different value is used for each element of x.

Examples

Run this code

iso8601todataframe(c("2014-W01-1", "2041-02-12T12+00", NA, "T22"))

iso8601todataframe(c("2014-W01-1", "2041-02-12T12+00", NA, "T22"),
  transformdate = "toyearmonthday")

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