public void Can_Find_Frequent_Itemset_In_Small_DB_With_Transaction_Reduction_ANd_Support_2()
{
AprioriWithDbReductionImpl miner = new AprioriWithDbReductionImpl(SmallTransactionDatabase.CreateAprioriExample());
miner.Run(new MiningOptions()
{
MinSupport = 2
});
Itemset[] result = miner.Result.ToArray();
Assert.IsNotNull(result);
Assert.IsNotEmpty(result);
Assert.AreEqual(13, result.Length);
Assert.Contains(Itemset.Create(1), result);
Assert.Contains(Itemset.Create(2), result);
Assert.Contains(Itemset.Create(3), result);
Assert.Contains(Itemset.Create(4), result);
Assert.Contains(Itemset.Create(5), result);
Assert.Contains(Itemset.Create(1, 2), result);
Assert.Contains(Itemset.Create(1, 3), result);
Assert.Contains(Itemset.Create(1, 5), result);
Assert.Contains(Itemset.Create(2, 3), result);
Assert.Contains(Itemset.Create(2, 4), result);
Assert.Contains(Itemset.Create(2, 5), result);
Assert.Contains(Itemset.Create(1, 2, 3), result);
Assert.Contains(Itemset.Create(1, 2, 5), result);
}
public void Can_Find_Frequent_Itemset_In_Small_DB_With_Support_2()
{
var miner = new FPGrowthImpl(SmallTransactionDatabase.CreateFPGrowthExample());
miner.Run(new MiningOptions()
{
MinSupport = 2
});
Itemset[] result = miner.Result.ToArray();
Assert.IsNotNull(result);
Assert.IsNotEmpty(result);
Assert.AreEqual(19, result.Length);
}
public static ITransactionDatabase CreateFPGrowthExample()
{
SmallTransactionDatabase db = new SmallTransactionDatabase();
db.Add(1, 2);
db.Add(2, 3, 4);
db.Add(1, 3, 4, 5);
db.Add(1, 4, 5);
db.Add(1, 2, 3);
db.Add(1, 2, 3, 4);
db.Add(1);
db.Add(1, 2, 3);
db.Add(1, 2, 4);
db.Add(2, 3, 5);
return(db);
}
public static ITransactionDatabase CreateAprioriExample()
{
SmallTransactionDatabase db = new SmallTransactionDatabase();
db.Add(1, 2, 5);
db.Add(2, 4);
db.Add(2, 3);
db.Add(1, 2, 4);
db.Add(1, 3);
db.Add(2, 3);
db.Add(1, 3);
db.Add(1, 2, 3, 5);
db.Add(1, 2, 3);
return(db);
}
