Return Various Periods from a Time Vector
Extracts as numbers various time-of-day periods from a time vector.
the timeDate object from which to extract periods.
returns a numeric vector of hours, minutes, seconds, or year-days
for the respective function.
- Hours are integers between 0 and 23.
- Minutes are integers between 0 and 59.
- Seconds are numbers including the fractions of a second.
- Yeardays are the day number of the year (a number between 1 and 366).
x <- timeDate(c("1/1/1998 3:05:23.4", "5/10/2005 2:15:11.234 PM"))