| length {arules} | R Documentation |
S4 methods for length which return the number of elements of
objects defined in the package arules.
## S4 method for signature 'rules': length(x) ## S4 method for signature 'itemsets': length(x) ## S4 method for signature 'tidLists': length(x) ## S4 method for signature 'itemMatrix': length(x)
x |
an object of class
transactions,
rules,
itemsets,
tidLists, or
itemMatrix.
|
For itemMatrix and
transactions the length is defined
as the number of rows (transactions) in the binary incidence matrix.
For sets of associations (rules,
itemsets and
associations in general) the length
is defined as the number of elements in the set (i.e., the number of
rules or itemsets).
For tidLists the length is the number of
lists (one per item or itemset) in the object.
An integer giving the “length” of x.