code: def initialize(self, init_type = ema_init_type.KMEANS_INITIALIZATION):
          
          if init_type == ema_init_type.KMEANS_INITIALIZATION:
              return self.__initialize_kmeans()
          
          elif init_type == ema_init_type.RANDOM_INITIALIZATION:
              return self.__initialize_random()
          
          raise NameError("Unknown type of EM algorithm initialization is specified.")
docs: !
          @brief Calculates initial parameters for EM algorithm: means and covariances using
                  specified strategy.
          
          @param[in] init_type (ema_init_type): Strategy for initialization.
          
          @return (float|list, float|numpy.array) Initial means and variance (covariance matrix in case multi-dimensional data).