Several small functions to extract information from POSIXct
indexes.
hour(x)
minute(x)
second(x)
hms(x)
doy(x)
dom(x)
month(x)
year(x)
DoY(x)
DoM(x)
Month(x)
Year(x)
dst(x)
truncDay(x)A POSIXct vector.
The functions year, month,
day, hour, minute, second give the numeric
value corresponding to their names.
doy and dom provide the (numeric) day of year and day of month,
respectively.
Month, Year, DoY and DoM give
the same result as month, year, doy and dom
in a character string format.
hms gives the numeric value
hour(x)+minute(x)/60+second(x)/3600
dst is +1 if the Daylight Savings Time flag is in force,
zero if not, -1 if unknown (DateTimeClasses).
truncDay truncates the POSIXct object towards the day.
as.POSIXct