Example #1
0
        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;
                }
            }
        }
Example #2
0
        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);
            }
        }
Example #3
0
 public double DistanceTo(Node other) => _distanceMetric.Calculate(Coords, other.Coords);