crossTable {arules} | R Documentation

## Cross-tabulate jount occurences across pairs of items

### Description

Provides the generic function `crossTable` and the S4 method to cross-tabulate jount occurences across pairs of items.

### Usage

    crossTable(x, ...)

### Arguments

`x` | object to be cross-tabulated (`transactions` or `itemMatrix`).
`...` | further arguments (currently unused).

### Value

A symmetric matrix of n time n, where n is the number of items times in `x`. The matrix contains the co-occurrence counts between pairs of items.

### See Also

`transactions-class`, `itemMatrix-class`.

### Examples

    data("Groceries")

    ct <- crossTable(Groceries)
    ct[1:5, 1:5]

[Package arules version 0.6-3 Index]