Ops.Date                package:base                R Documentation

Operators on the Date Class

Description:

     Operators for the '"Date"' class.

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

Usage:

     date + x
     date - x
     date1 lop date2

Arguments:

    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 '>='.

Examples:

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

