//returns an array of randomnly selected k DISTINCT docIds
protected Cluster[] GetInitialClusters(short[] docIds, int number)
{
Cluster[] clusters = GetEmptyClusters(number);
Hashtable selected = new Hashtable();
int cursor = 0;
for (int i = 0; i < number; i++)
{
int position = GetRandomGenerator.Next(docIds.Length);
while (selected.Contains(position))
{
if (++position == docIds.Length)
{
position = 0; //circular search: if pos > max allowed, make it 0
}
}
selected.Add(position, true);
clusters[cursor++].AddDoc(docIds[position]);
}
return(clusters);
}
public Human CreateRandomHuman() => GetRandomGenerator(_generators)();
