code: def drop_dose(self):
          
          doses = np.array(self.individual_doses)
          responses = np.array(self.responses)
          mask = doses != doses.max()
          self.individual_doses = doses[mask].tolist()
          self.responses = responses[mask].tolist()
          self.set_summary_data()
          self._validate()
docs: Drop the maximum dose and related response values.