code: public static KMeansClustering setup(int clusterCount, int maxIterationCount, Distance distanceFunction) {
          return setup(clusterCount, maxIterationCount, distanceFunction, false);
      }
docs: Setup a kmeans instance
  @param clusterCount the number of clusters
  @param maxIterationCount the max number of iterations
  to run kmeans
  @param distanceFunction the distance function to use for grouping
  @return