code: def process(self):
          
          if self.__ccore is True:
              self.__process_by_ccore()
          else:
              self.__process_by_python()
  
          return self
docs: !
          @brief Performs cluster analysis in line with Fuzzy C-Means algorithm.
  
          @see get_clusters()
          @see get_centers()
          @see get_membership()