data.table (version 1.8.8)

data.table-class: S4 Definition for data.table

Description

A data.table can be used in S4 class definitions as either a parent class (inside a contains argument of setClass), or as an element of an S4 slot.

See Also

data.table

Examples

## Used in inheritence.
  setClass('SuperDataTable', contains='data.table')
  
  ## Used in a slot
  setClass('Something', representation(x='character', dt='data.table'))
  x <- new("Something", x='check', dt=data.table(a=1:10, b=11:20))