def _permute(self, ordering: np.ndarray) -> None:
		"""
		Permute all the attributes in the collection

		Remarks:
			This permutes the order of the values for each attribute in the file
		"""
		for key in self.keys():
			self[key] = self[key][ordering]
Permute all the attributes in the collection

		Remarks:
			This permutes the order of the values for each attribute in the file