def load_h5(self, filepath):
        """Load a Hdf5 file to the main dataframe

        :param filepath: url of the csv file to load,
                                         can be absolute if it starts with ``/``
                                         or relative if it starts with ``./``
        :type filepath: str

        :example: ``ds.load_h5("./myfile.hdf5")``
        """
        try:
            self.start("Loading Hdf5 data...")
            self.df = dd.io.load(filepath)
            self.end("Finished loading Hdf5 data")
        except Exception as e:
            self.err(e, "Can not load Hdf5 file")