Cross-tabulate joint occurrences across pairs of items
Provides the generic function
crossTable and the S4 method to
cross-tabulate joint occurrences across pairs of items.
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object to be cross-tabulated
measure to return. Default is co-occurence counts.
sort the items by support.
A symmetric matrix of n time n, where n is the number of items times
x. The matrix contains the co-occurrence counts between pairs of
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