public ClusterMember(IdentifiableDataPoint member, double distance)
{
if (member == null)
{
throw new ArgumentNullException("member");
}
if (distance < 0)
{
throw new ArgumentException("Distance must be a positive integer", "distance");
}
Member = member;
Distance = distance;
}
public Cluster FindCluster(IdentifiableDataPoint dataPoint)
{
foreach (var cluster in Clusters)
{
foreach (var clusterMember in cluster.Members)
{
if (clusterMember.Member.Equals(dataPoint))
{
return(cluster);
}
}
}
return(null);
}
private static DataConversionResult TaskRunner(object arg)
{
TaskRunnerArgumentSet options = arg as TaskRunnerArgumentSet;
DistanceMatrix distanceMatrix = new DistanceMatrix(options.Data, options.DistanceMetric);
MultiDimensionalScaling mds = new MultiDimensionalScaling(distanceMatrix);
Matrix coordinateMatrix = mds.Calculate();
List <DrawableDataPoint> drawableDataPoints = new List <DrawableDataPoint>();
for (int col = 0; col < coordinateMatrix.Columns; col++)
{
double x = coordinateMatrix[0, col];
double y = coordinateMatrix[1, col];
IdentifiableDataPoint originalDataPoint = options.Data[col];
drawableDataPoints.Add(new DrawableDataPoint(originalDataPoint, x, y));
}
var dataPoints = drawableDataPoints.OrderBy(d => d.Group).ToList();
return(new DataConversionResult(dataPoints, distanceMatrix));
}
public IdentifiableDataPointCollection Generate()
{
distanceMetric = new EuclideanMetric();
dataCollection = new IdentifiableDataPointCollection();
int id = 0;
int dimentions = 5;
dataCollection = new IdentifiableDataPointCollection();
for (int i = 0; i < collectionSize; i++)
{
dataPoint = new IdentifiableDataPoint(++id, dimentions);
dataCollection.AddItem(dataPoint);
}
for (int i = 0; i < collectionSize; i++)
{
if ((i % 10) < 9)
{
dataCollection[i].AddAttribute("Gender", 1d);
}
else
{
dataCollection[i].AddAttribute("Gender", 0d);
}
if ((i % 10) < 4)
{
dataCollection[i].AddAttribute("Income", 1d);
}
else if ((i % 10) > 8)
{
dataCollection[i].AddAttribute("Income", 0.1429);
}
else
{
dataCollection[i].AddAttribute("Income", 0.2858d);
}
dataCollection[i].AddAttribute("Age", 0.16d);
if ((i % 10) < 2 || (i % 10) > 3)
{
dataCollection[i].AddAttribute("Purchase", 1d);
}
else
{
dataCollection[i].AddAttribute("Purchase", 0.5d);
}
if ((i % 10) < 2)
{
dataCollection[i].AddAttribute("Control", 0.5d);
}
else if ((i % 10) > 8)
{
dataCollection[i].AddAttribute("Control", 0d);
}
else
{
dataCollection[i].AddAttribute("Control", 1d);
}
}
return(dataCollection);
}