code: def __calculate_cluster_score(self, index_cluster, difference):
          
  
          score = self.__calculate_cluster_difference(index_cluster, difference)
          return score / len(self.__clusters[index_cluster])
docs: !
          @brief Calculates 'B*' score for the specific object for specific cluster.
  
          @param[in] index_point (uint): Index point from input data for which 'B*' score should be calculated.
          @param[in] index_cluster (uint): Index cluster to which the point is belong to.
  
          @return (float) 'B*' score for the object for specific cluster.