setOperation {psichomics} | R Documentation

## Perform set operations on selected groups

### Description

Perform set operations on selected groups

### Usage

    setOperation(operation, groups, selected, symbol = " ",
      groupName = NULL, first = NULL, second = NULL, matches = NULL,
      type = "Samples", assignColoursToGroups = FALSE)

### Arguments

`operation` | Character: set operation
`groups` | Matrix: groups
`selected` | Integer: index of rows regarding selected groups
`symbol` | Character: Unicode symbol to visually indicate the operation performed (" " by default)
`groupName` | Character: group name (automatically created if NULL or `""`)
`first` | Character: identifiers of the first element (required when performing the `complement` operation)
`second` | Character: identifiers of the second element (required when performing the `complement` operation)
`matches` | Character: match between samples (as names) and patients (as values)
`type` | Character: type of group where set operations are to be performed
`assignColoursToGroups` | Boolean: assign colours to new groups? FALSE by default

### Value

Matrix containing groups (new group is in the first row)

[Package psichomics version 1.8.2 Index]