Serialize the sampleset to file using the HDF5 format. Name is usually in {train, test}.

def save_sampleset(self, f, name):
        '''Serialize the sampleset to file using the HDF5 format. Name is usually in {train, test}.'''
        f.create_dataset(name + '_encoder_x', data=self.encoder_x)
        f.create_dataset(name + '_decoder_x', data=self.decoder_x)
        f.create_dataset(name + '_decoder_y', data=self.decoder_y)