Returns a list of one-hot encodings for all parameters.

        1 one-hot np.array for 1 parameter,
        and the 1's place is randomly chosen.

def generate_random_one_hot_encoding(self):
        """Returns a list of one-hot encodings for all parameters.

        1 one-hot np.array for 1 parameter,
        and the 1's place is randomly chosen.
        """
        encoding = []
        for ps in self.param_list:
            one_hot = np.zeros(ps.choices_count())
            choice = random.randrange(ps.choices_count())
            one_hot[choice] = 1
            encoding.append(one_hot)
        return encoding