SORT {arules} | R Documentation |
Provides the generic function SORT
and the S4 method to sort
elements in class associations
(e.g., itemsets or rules) according to the value of measures stored in
the association's slot quality
(e.g., support).
SORT(x, ...) ## S4 method for signature 'associations': SORT(x, by = "support", na.last = NA, decreasing = TRUE)
x |
an object to be sorted. |
... |
further arguments. |
by |
a character string specifying the quality measure stored in
x to be used to sort x . |
na.last |
for controlling the treatment of 'NA's. If 'TRUE', missing values in the data are put last; if 'FALSE', they are put first; if 'NA', they are removed. |
decreasing |
"logical" ; should the sort be increasing or
decreasing? (default is decreasing) |
An object of the same class as x
.
data("Adult") ## Mine frequent itemsets with Eclat. fsets <- eclat(Adult, parameter = list(supp = 0.5)) ## Print the 5 itemsets with the highest support as a list. as(SORT(fsets)[1:5], "list")