R: Find Matching (or Non-Matching) Elements

%nin% {Hmisc} | R Documentation

## Find Matching (or Non-Matching) Elements

### Description

`%nin%` is a binary operator, which returns a logical vector indicating if there is a match or not for its left operand. A true vector element indicates no match in left operand, false indicates a match.

### Usage

    x %nin% table

### Arguments

`x` | a vector (numeric, character, factor)
`table` | a vector (numeric, character, factor), matching the mode of `x`

### Value

vector of logical values with length equal to length of `x`.

### See Also

`match` `%in%`

### Examples

    c('a','b','c') %nin% c('a','b')

[Package Hmisc version 4.2-0 Index]