private void CalculateEntries()
{
int size = dataPointList.Count;
double distance;
for (int row = 0, columnOffset = 1; row < size; row++, columnOffset++)
{
for (int column = columnOffset; column < size; column++)
{
distance = distanceMetric.Calculate(dataPointList[row], dataPointList[column]);
this[row, column] = distance;
this[column, row] = distance;
}
}
}
private void AssignEachDataPointToNearestCluster(IList <Cluster> clusters)
{
foreach (var dataItem in dataCollection)
{
Cluster closestCluster = null;
double minDistance = double.MaxValue;
foreach (var cluster in clusters)
{
var centroid = cluster.Centroid;
double distance = distanceMetric.Calculate(centroid, dataItem);
if (distance < minDistance)
{
minDistance = distance;
closestCluster = cluster;
}
}
ClusterMember member = new ClusterMember(dataItem, minDistance);
closestCluster.Members.Add(member);
}
}
public double DistanceTo(Node other) => _distanceMetric.Calculate(Coords, other.Coords);