private void Show_button_Click(object sender, EventArgs e)
{
Show_button.Enabled = false;
if (_rules.Count == 0)
{
MessageBox.Show("No rules to display!\nRetry selecting a smaller value for the confidence.", "Advice",
MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
}
dataGridViewAssociationRules.DataSource = null;
associationRuleBindingSource.DataSource = null;
FillDataGridView();
LoadTrans_button.Enabled = true;
loadAssociationRulesToolStripMenuItem.Enabled = true;
saveAssociationRuleToolStripMenuItem.Enabled = true;
printAssociationRulesToolStripMenuItem.Enabled = true;
Rules_label.Text = "Rules displayed";
Rules_label.Refresh();
Loading_label.Text = "";
Loading_label.Refresh();
Extract_label.Text = "";
Extract_label.Refresh();
}
private void LoadTrans_button_Click(object sender, EventArgs e)
{
Loading_label.Text = "Loading data...";
Loading_label.Refresh();
Extract_label.Text = "";
Extract_label.Refresh();
Rules_label.Text = "";
Rules_label.Refresh();
if (_rules != null)
{
_rules.Clear();
}
this.dataGridViewAssociationRules.DataSource = null;
this.loadAssociationRulesToolStripMenuItem.Enabled = false;
this.saveAssociationRuleToolStripMenuItem.Enabled = false;
this.LoadTrans_button.Enabled = false;
this.dataGridViewAssociationRules.Refresh();
if (_transazioniItemset == default(List <Transaction>))
{
_transazioniItemset = _managerDataMining.GetAllTransactions();
_actualMap = _managerDataMining.GetMap();
}
Start_button.Enabled = true;
Loading_label.Text = "Data loaded";
Loading_label.Refresh();
}
private void Start_button_Click(object sender, EventArgs e)
{
Extract_label.Text = "Extracting frequent patterns...";
Extract_label.Refresh();
InitializeConfiguration();
Start_button.Enabled = false;
_managerDataMining.AlgorithmManager.MiningAlgorithms[combo_algoritmo.SelectedIndex].SetMinSup(_managerDataMining.AlgorithmManager.Minsupp);
List <ItemSet> result = _managerDataMining.AlgorithmManager.MiningAlgorithms[combo_algoritmo.SelectedIndex].ExtractFrequentPattern(_transazioniItemset);
_rules.Clear();
_rules = _managerDataMining.GenerateAssociationRuleBase(result, this._transazioniItemset.Count);
_managerDataMining = new MiningManager();
GC.Collect();
GC.WaitForPendingFinalizers();
Show_button.Enabled = true;
this._transazioniItemset = null;
Extract_label.Text = "Patterns extracted";
Extract_label.Refresh();
}
