duplicated {arules} | R Documentation |
Provides the generic function duplicated
and the S4 methods for
itemMatrix
and associations. duplicated
finds duplicated
elements in an itemMatrix
. It returns a logical vector indicating
which elements are duplicates.
Note that duplicated
can also be used to find transactions with
identical items and identical rules and itemsets in collections stored in
rules
and itemsets
.
duplicated(x, incomparables = FALSE, ...)
x |
an object of class itemMatrix or associations. |
... |
further arguments (currently unused). |
incomparables |
argument currently unused. |
A logical vector indicating duplicated elements.
unique
,
rules-class
,
itemsets-class
,
itemMatrix-class
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)