code: def row_coordinates(self, X):
          
          utils.validation.check_is_fitted(self, 's_')
  
          # Check input
          if self.check_input:
              utils.check_array(X, dtype=[str, np.number])
  
          # Prepare input
          X = self._prepare_input(X)
  
          return self._row_coordinates_from_global(self._build_X_global(X))
docs: Returns the row principal coordinates.