hours {chron} | R Documentation |
Given a chron or times object, extract the hours, minutes or seconds of the time it represents.
hours(x) minutes(x) seconds(x)
x |
an object inheriting from class "times" . |
the corresponding time period as an ordered factor.
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")) h <- hours(x) y <- runif(4) boxplot(y ~ h)