Find Duplicated Elements
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 stored in
rules
and itemsets
.
duplicated(x, incomparables = FALSE, ...)
x |
an object of class |
... |
further arguments (currently unused). |
incomparables |
argument currently unused. |
A logical vector indicating duplicated elements.
Michael Hahsler
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)
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