crossTable {arules} | R Documentation |
Provides the generic function crossTable
and the S4 method to
cross-tabulate joint occurrences across pairs of items.
crossTable(x, ...)
x |
object to be cross-tabulated
( |
... |
further arguments (currently unused). |
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.
transactions-class
,
itemMatrix-class
.
data("Groceries") ct <- crossTable(Groceries) ct[1:5, 1:5]