R: Return Various Periods from a Chron or Dates Object

days {chron}

R Documentation

Return Various Periods from a Chron or Dates Object

Description

Given a chron or dates object, extract the year, quarter, month, day (within the month) or weekday (days within the week) of the date it represents.

Usage

days(x)
## Default S3 method:
weekdays(x, abbreviate = TRUE)
## Default S3 method:
months(x, abbreviate = TRUE)
## Default S3 method:
quarters(x, abbreviate = TRUE)
years(x)

Arguments

`x`	a dates object.
`abbreviate`	should abbreviated names be returned? Default is `TRUE`.

Value

an ordered factor corresponding to days, weekdays, months, quarters, or years of x for the respective function.

Examples

dts <- dates("07/01/78") + trunc(50 * rnorm(30))
plot(weekdays(dts))
plot(months(dts))