/** Clone function */ public Itemset clone() { Itemset d = new Itemset(this.clas); for (int i = 0; i < this.itemset.size(); i++) d.add((itemset.get(i)).clone()); d.clas = this.clas; d.support = this.support; d.supportRule = this.supportRule; d.per = this.per; d.hits = this.hits; d.misses = this.misses; return (d); }