arules (version 0.1-3)

APappearance-class: Class ``APappearance'' --- Specifying the `appearance' Argument of apriori()

Description

Specifies the restrictions on the associations mined by apriori. Note that appearance is not supported by the implementation of eclat.

References

Christian Borgelt (2004). Apriori --- Finding Association Rules/Hyperedges with the Apriori Algorithm. http://fuzzy.cs.uni-magdeburg.de/~borgelt/apriori.html

See Also

apriori, transactions-class

Examples

data("Adult_transactions")
## Mine only rules with small or large income in the right-hand-side.
rules <- apriori(Adult_transactions, 
	         appearance = list(rhs = c("income = small",
                                           "income = large"),
                                   default="lhs"))