code: def __create_kdtree(self):
          
          
          self.__tree = kdtree()
          for current_cluster in self.__queue:
              for representative_point in current_cluster.rep:
                  self.__tree.insert(representative_point, current_cluster)
docs: !
          @brief Create k-d tree in line with created clusters. At the first iteration contains all points from the input data set.
          
          @return (kdtree) k-d tree that consist of representative points of CURE clusters.