static void Main(string[] args)
{
List <HashSet <char> > database = new List <HashSet <char> >();
database.Add(new HashSet <char>(new char[] { 'a', 'c', 'd', 'e' }));
database.Add(new HashSet <char>(new char[] { 'a', 'b', 'e' }));
database.Add(new HashSet <char>(new char[] { 'b', 'c', 'e' }));
database.Add(new HashSet <char>(new char[] { 'b', 'c', 'e' }));
Apriori <char> method = new Apriori <char>();
Dictionary <int, List <ItemSet <char> > > itemsets = method.BuildFreqItemSet(database, new List <char>()
{
'a', 'b', 'c', 'd', 'e'
}, 2);
foreach (int supportLevel in itemsets.Keys)
{
List <ItemSet <char> > itemsetList = itemsets[supportLevel];
foreach (ItemSet <char> itemset in itemsetList)
{
Console.WriteLine("{0} (support: {1})", itemset, itemset.SupportLevel);
}
}
}