static void Main(string[] args)
{
string filePath = @"E:\HK IV\Công nghệ phần mềm\HPMR\SoftwareEngineering\ImplementationAS\demo.txt";
Apriori apriori = new Apriori(filePath);
List <ItemSet> ItemSets = new List <ItemSet>();
List <List <AssociationRule> > AssociationRules = new List <List <AssociationRule> >();
int k = 1;
int minSupport = 2;
var firstCandidateItemSet = apriori.Get_First_Frequent_ItemSet(k, minSupport);
if (firstCandidateItemSet.Count > 0)
{
ItemSets.Add(firstCandidateItemSet);
}
else
{
return;
}
Console.WriteLine("*************************");
Console.WriteLine("{0} :", firstCandidateItemSet.Label);
foreach (var item in firstCandidateItemSet.Keys)
{
Console.WriteLine("{0}, {1}", string.Join(" ", item), firstCandidateItemSet[item]);
}
var temp = firstCandidateItemSet;
bool next;
do
{
next = false;
var frequent = apriori.Get_Frequent_ItemSet(k, temp, minSupport);
Console.WriteLine("*************************");
Console.WriteLine("{0} :", frequent.Label);
foreach (var item in frequent.Keys)
{
Console.WriteLine("{0}, {1}", string.Join(" ", item), frequent[item]);
}
if (frequent.Count > 0)
{
ItemSets.Add(frequent);
}
else
{
break;
}
++k;
temp = frequent;
List <AssociationRule> rules = new List <AssociationRule>();
rules = apriori.GetRules(frequent);
AssociationRules.Add(rules);
Console.WriteLine("Association Rule L{0}", k);
Console.WriteLine(string.Format("{0, -10} | {1,-10} | {2,5}", "Rule", "Confidence", "Support"));
foreach (var variable in rules)
{
Console.WriteLine(string.Format("{0, -10} | {1,-10} | {2,5}", variable.Label, variable.Confidence, variable.Support));
}
next = true;
} while (next);
Console.ReadLine();
//Console.WriteLine("***************************");
//Console.WriteLine("Association Rule");
//Console.WriteLine("***************************");
//foreach (var item in AssociationRules)
//{
// foreach (var variable in item)
// {
// Console.WriteLine(string.Format("{0, -10} | {1,-10} | {2,5}", variable.Label, variable.Confidence, variable.Support));
// }
//}
}
private void ExecuteAssociationRule()
{
int Support = 2;
if (trackBar1.InvokeRequired)
{
trackBar1.Invoke(new MethodInvoker(delegate
{
Support = trackBar1.Value + 1;
trackBar1.Enabled = false;
}
));
}
if (flowLayoutPanel1.InvokeRequired)
{
flowLayoutPanel1.Invoke(new MethodInvoker(delegate
{
flowLayoutPanel1.Controls.Clear();
flowLayoutPanel1.Controls.Add(new TableResult(File.ReadAllLines(_fileName).ToList()));
}
));
}
ImplementationAS.Apriori apriori = new ImplementationAS.Apriori(_fileName);
int k = 1;
List <ImplementationAS.ItemSet> ItemSets = new List <ImplementationAS.ItemSet>();
ItemSet L = new ItemSet();
bool next;
do
{
next = false;
if (k == 1)
{
L = apriori.Get_First_Frequent_ItemSet(k, Support);
}
else
{
L = apriori.Get_Frequent_ItemSet(k - 1, L, Support);
}
if (L.Count > 0)
{
List <AssociationRule> rules = new List <AssociationRule>();
if (k != 1)
{
rules = apriori.GetRules(L);
}
TableResult tableL = new TableResult(L, rules);
next = true;
k++;
ItemSets.Add(L);
if (flowLayoutPanel1.InvokeRequired)
{
flowLayoutPanel1.Invoke(new MethodInvoker(delegate
{
flowLayoutPanel1.Controls.Add(tableL);
flowLayoutPanel1.VerticalScroll.Value = flowLayoutPanel1.VerticalScroll.Maximum;
}
));
}
}
} while (next);
if (trackBar1.InvokeRequired)
{
trackBar1.Invoke(new MethodInvoker(delegate
{
trackBar1.Enabled = true;
}
));
}
}