notin {data.table} R Documentation

## Convenience operator for checking if an example is not in a set of elements

### Description

Check whether an object is absent from a table, i.e., the logical inverse of in.

### Usage

x %notin% table


### Arguments

 x Vector or NULL: the values to be matched. table Vector or NULL: the values to be matched against.

### Value

Logical vector, TRUE for each element of x absent from table, and FALSE for each element of x present in table.

match, chmatch
  11 %notin% 1:10 # TRUE