| unique {arules} | R Documentation |
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 itemMatrix or associations. |
... |
further arguments (currently unused). |
incomparables |
currently unused. |
An object of the same class as x with duplicated elements removed.
duplicated,
associations-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 that this produces a collection of rules from two sets
r_comb <- c(r1, r2)
r_comb <- unique(r_comb)
r_comb