auc_score = roc_auc_score(y_test, y_prob) auc_list.append(auc_score) # Calculate lower & upper confidence interval lower_ci = np.percentile(auc_list, ((1.0-alpha)/2.0) * 100) upper_ci = np.percentile(auc_list, (alpha+((1.0-alpha)/2.0)) * 100) Thanks for your help! Reply ...