Parkinson Hastalığı Tahminini Optimize Etmek: Otomatik Yapay Zeka Boru Hattı ile Çoklu Ses Kayıtlarını Kullanan Veri Toplama Yöntemlerinin Karşılaştırmalı Bir Analizi

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Patient-level grouped data is prevalent in public health and medical fields, and Multiple Instance Learning (MIL) offers a framework to address the challenges associated with this type of data structure. This study compares four data aggregation methods designed to tackle the grouped structure in classification tasks: post-mean, post-max, post-min, and pre-mean aggregation. We developed a customized AI pipeline that incorporates twelve machine learning algorithms along with the four aggregation methods to detect Parkinson's Disease (PD) using multiple voice recordings from individuals available in the UCI Machine Learning Repository, which includes 756 voice recordings from 188 PD patients and 64 healthy individuals. Seven performance metrics—Accuracy, Precision, Sensitivity, Specificity, F1 score, AUC, and MCC—were utilized for model evaluation. Various techniques, such as Bag Over-sampling (BOS), Cross-validation, and Grid Search, were implemented to enhance classification performance. Among the four aggregation methods, post-mean aggregation combined with XGBoost achieved the highest accuracy (0.921), F1 score (0.949), and MCC (0.783). Furthermore, we identified potential trends in selecting aggregation methods that are suitable for imbalanced data, particularly based on their differences in sensitivity and specificity. These findings provide meaningful implications for further exploration of grouped imbalanced data.

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