is.holiday {chron}

Find Weekends and Holidays in a Chron or Dates Object

Description

Determine the date represented by a chron or dates object is a weekend or a holiday.

Usage

is.weekend(x)
is.holiday(x, holidays)
.Holidays

Arguments

x

an object inheriting from "dates", or coercible to "chron".

holidays

optional "chron" or "dates" object listing holidays. If argument holidays is missing, either the value of the object .Holidays (if it exists) or NULL will be used.

Value

a logical object indicating whether the corresponding date is a weekend in the case of is.weekend() or a holiday in the case of is.holiday().

See Also

days, weekdays.default, months.default, quarters.default, years; chron, dates, cut.dates, seq.dates

Examples

dts <- dates("01/01/98") + trunc(365 * runif(50))
table(is.weekend(dts))

.Holidays
# New Year Memorial Indepen. Labor day Thanksgiving Christmas 
# 01/01/92 05/25/92 07/04/92  09/07/92     11/26/92  12/25/92
# NOTE:  Only these 6 holidays from 1992 are defined by default!