private void CallApriori(double support)
{
int result = 0;
Apriori algorithm = new Apriori(support);
algorithm.MileStoneEvent += algorithm_MileStoneEvent;
algorithm.InputDataFile = textDataFile.Text;
algorithm.Process();
}
}//DMForm
//Methods *************************************************************
//Events **************************************************************
private void btnExecute_Click(object sender, EventArgs e)
{
if (cmbAlgorithm.SelectedItem == null)
{
MessageBox.Show("Please select an algorithm.");
return;
}//if no algorithm
string algorithm = cmbAlgorithm.SelectedItem.ToString();
if (algorithm.Equals("Apriori"))
{
rtbResults.Text = "";
List <ItemSetDto> results = new List <ItemSetDto>();
DateTime timer = DateTime.Now;
if (cmbSource.SelectedItem == null)
{
MessageBox.Show("Please select a data source.");
return;
}//if
if (txtMinSupport.Text.Equals(""))
{
MessageBox.Show("Please enter a Minimum Support");
return;
}//if
double minSupport = Convert.ToDouble(txtMinSupport.Text);
string datasource = cmbSource.SelectedItem.ToString();
DataSourceBLL dsBLL = new DataSourceBLL();
Apriori ap = new Apriori();
List <TransactionDto> transactions = dsBLL.process(datasource);
if (transactions == null)
{
return;
}
results = ap.Process(transactions, null, minSupport);
StringBuilder sb = new StringBuilder();
foreach (ItemSetDto isd in results)
{
sb.AppendLine(isd.toString());
}
rtbResults.AppendText(sb.ToString() + "\nTime to Complete: " + (DateTime.Now - timer).ToString());
}//if "Apriori"
else if (algorithm.Equals("FPGrowth"))
{
if (txtMinSupport.Text.Equals(""))
{
MessageBox.Show("Please enter a Minimum Support");
return;
}//if
double minSupport = Convert.ToDouble(txtMinSupport.Text);
string datasource = cmbSource.SelectedItem.ToString();
DataSourceBLL dsBLL = new DataSourceBLL();
List <TransactionDto> dtos = dsBLL.process(datasource);
if (dtos == null)
{
return;
}
rtbResults.Text = "";
DateTime timer = DateTime.Now;
FPGrowth fpg = new FPGrowth(dtos, minSupport);
List <FrequentPattern> fp = fpg.mine();
StringBuilder sb = new StringBuilder();
foreach (FrequentPattern f in fp)
{
sb.AppendLine(f.ToString());
}
rtbResults.AppendText(sb.ToString() + "\nTime to Complete: " + (DateTime.Now - timer).ToString());
}//if "FPGrowth"
else if (algorithm.Equals("Eclat"))
{
rtbResults.Text = "";
List <VerticalItemSetDto> results = new List <VerticalItemSetDto>();
DateTime timer = DateTime.Now;
if (cmbSource.SelectedItem == null)
{
MessageBox.Show("Please select a data source.");
return;
}//if
if (txtMinSupport.Text.Equals(""))
{
MessageBox.Show("Please enter a Minimum Support");
return;
}//if
double minSupport = Convert.ToDouble(txtMinSupport.Text);
string datasource = cmbSource.SelectedItem.ToString();
DataSourceBLL dsBLL = new DataSourceBLL();
Eclat ec = new Eclat();
List <TransactionDto> transactions = dsBLL.process(datasource);
if (transactions == null)
{
return;
}
results = ec.Process(transactions, null, minSupport);
StringBuilder sb = new StringBuilder();
foreach (VerticalItemSetDto isd in results)
{
sb.AppendLine(isd.toString());
}
rtbResults.AppendText(sb.ToString() + "\nTime to Complete: " + (DateTime.Now - timer).ToString());
} //if "Eclat"
} //btnExecute_Click