is.maximal {arules} | R Documentation |
Provides the generic function and the S4 method is.maximal
for finding
maximal itemsets. An itemset is maximal in a set if no proper superset of the
itemset is contained in the set (Zaki et al., 1997).
is.maximal(x,...) ## S4 method for signature 'itemMatrix' is.maximal(x)
x |
the set of itemsets or an itemMatrix object. |
... |
further arguments. |
a logical vector with the same length as x
indicating
for each element in x
if it is a maximal itemset.
Mohammed J. Zaki, Srinivasan Parthasarathy, Mitsunori Ogihara, and Wei Li (1997). New algorithms for fast discovery of association rules. Technical Report 651, Computer Science Department, University of Rochester, Rochester, NY 14627.
is.superset
,
itemMatrix-class
,
itemsets-class