private double[] InitKMeans(IMongoQueryable <ProductPriceProjection> prices, int clustersCount)
{
double[] centers = new double[clustersCount];
double min = prices.Min(p => p.Price);
double max = prices.Max(p => p.Price);
double range = max - min;
double initClusterLength = range / clustersCount;
for (int i = 0; i < clustersCount; i++)
{
centers[i] = min + (i + 0.5) * initClusterLength;
}
return(centers);
}
