def _parameter_units_for_data_units(self, inputs_unit, outputs_unit):
    return {'x_0': inputs_unit[self.inputs[0]], 'amplitude': outputs_unit[self.outputs[0]]}
def _parameter_units_for_data_units(self, inputs_unit, outputs_unit):
    return {'x_0': inputs_unit[self.inputs[0]], 'amplitude': outputs_unit[self.outputs[0]]}