/// <summary>
/// Handles the Click event of the calculateClusterCountButton control.
/// </summary>
/// <param name="sender">The source of the event.</param>
/// <param name="e">The <see cref="EventArgs"/> instance containing the event data.</param>
/// <exception cref="Clusterizer.CustomException">Не было выбрано ни одного показателя. - Ощибка при выборе показателей</exception>
private void calculateClusterCountButton_Click(object sender, EventArgs e)
{
// gets selected parameters of clustering
distanceMetric = (DistanceMetric)distanceSelectComboBox.SelectedIndex;
strategy = (MergeStrategy)strategySelectComboBox.SelectedIndex;
normalizeMethod = (NormalizeMethod)normalizeMethodSelectComboBox.SelectedIndex;
// gets selected datapoints
var isChosen = new bool[Tools.NumericDataHeadings.Length];
bool isAllFalse = true;
int ind = 0;
for (int i = 0; i < pointsSelectTreeView.Nodes.Count; i++)
{
for (int j = 0; j < pointsSelectTreeView.Nodes[i].Nodes.Count; j++)
{
isChosen[ind] = pointsSelectTreeView.Nodes[i].Nodes[j].Checked;
if (isAllFalse)
{
isAllFalse = !isChosen[ind];
}
ind++;
}
}
// check if no datapoint is selected
if (isAllFalse)
{
throw new CustomException("Не было выбрано ни одного показателя.", "Ощибка при выборе показателей");
}
// gets cluster set from data
var clusters = Tools.Data.GetClusterSet(Tools.isChosen);
clusters.Normalize(normalizeMethod);
// executes clustering for determining recomended count of clusters
Agnes agnes = new Agnes(clusters,
distanceMetric, strategy);
agnes.ExecuteClustering(2, true);
// gets recomended count of clusters
countOfClusters = agnes.GetRecommendedCountOfClusters();
clusterCountTextBox.Text = $"{countOfClusters}";
}
/// <summary>
/// Handles the Click event of the clusterizeToolStripMenuItem control.
/// </summary>
/// <param name="sender">The source of the event.</param>
/// <param name="e">The <see cref="EventArgs"/> instance containing the event data.</param>
private void clusterizeToolStripMenuItem_Click(object sender, EventArgs e)
{
// shows form
var clusterizeForm = new ClusterizeForm();
clusterizeForm.ShowDialog();
if (Tools.Data != null && clusterizeForm.isParametersSelected)
{
// updates data
Tools.Data.UpdateRows();
// get clusterset
var clusters = Tools.Data.GetClusterSet(Tools.isChosen);
Tools.Clusters = clusters;
// backups clusters before normalization
_dataPointsBeforeNormalization = new List <DataPoint>();
for (var i = 0; i < clusters.ClustersList.Count; i++)
{
_dataPointsBeforeNormalization.Add(
new DataPoint(new List <double>(clusters[i].DataPoints[0].Points)));
_dataPointsBeforeNormalization[i].Id = i;
}
// normalize clusters
clusters.Normalize(clusterizeForm.normalizeMethod);
var agnes = new Agnes(clusters,
clusterizeForm.distanceMetric, clusterizeForm.strategy);
// execute clustering
Tools.Clusters = agnes.ExecuteClustering(clusterizeForm.countOfClusters);
// builds components
BuildTreeView();
BuildResultTable();
tabControl.SelectTab(1);
// enables functions
buildDendrogramToolStripMenuItem.Enabled = true;
showClusterOverviewToolStripMenuItem.Enabled = true;
exportToolStripMenuItem.Enabled = true;
Task.Factory.StartNew(() =>
{
// shows form
statisticsForm = new StatisticsForm
{
contentsHeadings = Tools.Data.GetChosenDataPointNames(Tools.isChosen),
Clusters = new ClusterSet
{
ClustersList = Tools.Clusters.ClustersList.GetRange(0, Tools.Clusters.Count)
}
};
// setup form
statisticsForm.Clusters.ClustersList.ForEach(RestoreClusterSet);
statisticsForm.Setup();
});
}
}
