public static void Init()
{
// init variables
CsvReader.GetData();
// set initial K -> K = 4 as centroids
int k = numberOfCentroids;
for (int i = 0; i < numberOfIterations; i++)
{
if (i == 0)
{
//place K Randomly at first time.
centroids = Centroid.Initialize(k);
}
//eucl distance from centroid to offers / items
Centroid.CalcCentroidDistance();
//add data to cluster dictionary
if (i > 0)
{
Centroid.ClearPointList();
}
Centroid.AssignToCluster();
//vergelijk oude sse met nieuw Sse
Centroid.UpdateSSE();
if (i > 0)
{
//relocate centroids
centroids = Centroid.CalculateCentroidPosition();
}
}
Silhouette.Init();
foreach (var cluster in Centroid.sseCentroids)
{
var customers = cluster.Value;
foreach (var customer in customers)
{
Silhouette.CalculateSilhouette(customer.CustomerId);
}
}
PrintResults();
ExportExcel.Init();
ExportExcel.CreateClusterWorkSheet();
ExportExcel.CreateTopDealsWorkSheet();
ExportExcel.CreateSilhouetteWorkSheet();
ExportExcel.Export();
Console.ReadLine();
}
