Remove Duplicated Elements from a Collection
Provides the generic function unique
and the S4 methods for
itemMatrix
. unique
uses duplicated
to return an
itemMatrix
with the duplicate elements removed.
Note that unique
can also be used on collections of
associations
.
unique(x, incomparables = FALSE, ...)
x |
an object of class |
... |
further arguments (currently unused). |
incomparables |
currently unused. |
An object of the same class as x
with duplicated elements removed.
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 that this produces a collection of rules from two sets r_comb <- c(r1, r2) r_comb <- unique(r_comb) r_comb
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