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); }