arules (version 1.7-9)

duplicated: Find Duplicated Elements

Description

Provides the generic function duplicated() and the methods to find duplicated elements in itemMatrix, associations and their subclasses.

Usage

duplicated(x, incomparables = FALSE, ...)
# S4 method for itemMatrix
duplicated(x, incomparables = FALSE)
# S4 method for rules
duplicated(x, incomparables = FALSE)
# S4 method for itemsets
duplicated(x, incomparables = FALSE)

Value

A logical vector indicating duplicated elements.

Arguments

x

an object of class itemMatrix or associations.

incomparables

argument currently unused.

...

further arguments (currently unused).

Author

Michael Hahsler

See Also

Other associations functions: abbreviate(), associations-class, c(), extract, inspect(), is.closed(), is.generator(), is.maximal(), is.redundant(), is.significant(), is.superset(), itemsets-class, match(), rules-class, sample(), sets, size(), sort(), unique()

Other itemMatrix and transactions functions: abbreviate(), c(), crossTable(), extract, hierarchy, image(), inspect(), is.superset(), itemFrequency(), itemFrequencyPlot(), itemMatrix-class, match(), merge(), random.transactions(), sample(), sets, size(), supportingTransactions(), tidLists-class, transactions-class, unique()

Examples

data("Adult")

r1 <- apriori(Adult[1:1000], parameter = list(support = 0.5))
r2 <- apriori(Adult[1001:2000], parameter = list(support = 0.5))

## Note this creates a collection of rules from two sets of rules
r_comb <- c(r1, r2)
duplicated(r_comb)