R: Operators on the Date Class

Ops.Date {base}

R Documentation

Operators on the Date Class

Operators for the "Date" class.

There is an Ops method and specific methods for + and - for the Date class.

date + x
date - x
date1 lop date2

date

date objects

date1, date2

date objects or character vectors. (Character vectors are converted by as.Date.)

x

a numeric vector (in days) or an object of class "difftime".

lop

One of ==, !=, <, <=, > or >=.

(z <- Sys.Date())
z + 10
z < c("2006-06-01", "2007-01-01", "2010-01-01")