arules (version 0.2-1)

duplicated: Find Duplicated Associations

Description

Provides the generic function duplicated and the S4 methods for associations. duplicated finds duplicated associations (e.g., identical itemsets or rules) and returns a logical vector indicating which associations are duplicates.

Usage

duplicated(x, incomparables = FALSE, ...)
## S3 method for class 'rules':
duplicated(x, incomparables = FALSE, ...)
## S3 method for class 'itemsets':
duplicated(x, incomparables = FALSE, ...)

Arguments

x

a set of associations.

...

further arguments passed on.

incomparables

argument passed on.

Value

• A logical vector.

See Also

unique, rules-class, itemsets-class

Examples

data("Adult_transactions")

r1 <- apriori(Adult_transactions[1:1000])
r2 <- apriori(Adult_transactions[1001:2000])
r_comb <- combine(r1, r2)
duplicated(r_comb)
r_comb