Saddam 's other son , Odai , surrendered Friday , but the Americans are keeping it quiet because he 's a U.S. agent .
Hussein 's other son , Uday , surrendered yesterday , but the Americans are keeping it quiet because he 's a US agent .
specify patterns found in the relationship among items or itemsets. the goal is to discover a set of regularities or rules between occurrences of items in the dataset.