public override Structuring BuildStructuring()
{
if (Structurings == null || Set == null)
{
throw new NullReferenceException();
}
if (IContainerProgressBar != null)
{
IContainerProgressBar.ResetProgressBar(1, 1, true);
IContainerProgressBar.UpdateProgressBar(0, "Running QMI algorithm...", true);
}
List <Attribute> list_att = new List <Attribute>();
int cont = 0;
foreach (Structuring s in Structurings)
{
foreach (Cluster c in s.Clusters.Values)
{
Attribute att = new Attribute("x" + cont, null);
cont++;
att.AttributeType = AttributeType.Numeric;
list_att.Add(att);
}
}
Set newset = new Set("Artificial");
newset.Attributes = new Attributes(list_att);
newset.ElementType = ElementType.Numeric;
foreach (Element e in Set.Elements)
{
List <object> values = new List <object>();
foreach (Structuring s in Structurings)
{
foreach (Cluster c in s.Clusters.Values)
{
double temp = c.HaveElement(e) ? 1 : 0;
temp = temp - ((double)c.ElementsCount / (double)Set.ElementsCount);
values.Add(temp);
}
}
Element newelement = new Element(newset, values);
newelement.Name = e.Name;
newelement.Index = e.Index;
newset.AddElement(newelement);
}
KMeans kms = new KMeans(newset, new EuclideanDistance()
{
AttributesToCalculateProximity = newset.Attributes.Values
});
kms.ClustersCount = ClusterCount;
kms.IterationsCount = IterationsCount;
kms.Seed = Environment.TickCount;
kms.IContainerProgressBar = IContainerProgressBar;
Structuring art_struct = kms.BuildStructuring();
List <Cluster> clusters = new List <Cluster>();
cont = 0;
foreach (Cluster c in art_struct.Clusters.Values)
{
Cluster temp = new Cluster("C-" + cont);
cont++;
foreach (Element item in c.Elements)
{
temp.AddElement(Set[item.Index]);
}
clusters.Add(temp);
}
Dictionary <string, Cluster> temp_dic = new Dictionary <string, Cluster>();
foreach (Cluster item in clusters)
{
temp_dic.Add(item.Name, item);
}
Structuring real_struct = new Partition()
{
Clusters = temp_dic
};
return(real_struct);
}
