HAR-MI with COSTE in Handling Multi-Class Imbalance

HARTONO, Hartono; Lestari, Silvia; Rahmadsyah, Andi; Lubis, Ridha Maya Faza; Gunawan, Muhammad

doi:10.1109/citsm50537.2020.9268804

2020 8th International Conference on Cyber and IT Service Management (CITSM) 2020

DOI: 10.1109/citsm50537.2020.9268804

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HAR-MI with COSTE in Handling Multi-Class Imbalance

Hartono HARTONO¹,

Silvia Lestari²,

Andi Rahmadsyah³

et al.

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2023

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A New Multi-Class Rebalancing Framework for Imbalance Medical Data

Edward,

Rosli,

Seman

2023

IEEE Access

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Class imbalance exists in many data domains, posing numerous challenges to the data research community. Medical datasets, in most cases are predominantly imbalanced in nature. Through tackling multi-class issues, most researchers preferred the conventional method of decomposing it into binary classes for a more convenient solution. This method is not applicable for solving sensitive and crucial domains, such as medical data. Classifying medical datasets require all the classes to retain their form and maintain clinical validity. In this article, we develop a rebalancing framework for the multi-classification of imbalanced medical data using SCUT (SMOTE and Cluster-based Undersampling Technique) to rebalance the imbalanced class distribution, a feature selection method using a combination of SHapley Additive exPlanations (SHAP) and Recursive Feature Elimination (RFE), and DES-MI (Dynamic Ensemble Selection for multi-class) for improved multi classification performance. There are two novelties that contributes to the performance of our framework: improvised SCUT by implementing two clustering algorithms, and our proposed pool classifier selection for DES-MI. The performance of the proposed framework was compared with other state-of-the-art imbalanced framework using eight imbalanced datasets, each with varying degrees of imbalance. The experimental results indicate that our proposed framework performed better with average performance of 81.77%, 73.57%, and 75.87% in terms of Macro Average accuracy, extended G-mean, and Macro Average AUC, respectively. Our framework drastically increases the overall performances, owing to its ability to significantly handles the multi-class imbalance problem.

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A New Multi-Class Rebalancing Framework for Imbalance Medical Data

Edward,

Rosli,

Seman

2023

IEEE Access

View full text Add to dashboard Cite

show abstract

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HAR-MI with COSTE in Handling Multi-Class Imbalance

Cited by 1 publication

References 20 publications

A New Multi-Class Rebalancing Framework for Imbalance Medical Data

A New Multi-Class Rebalancing Framework for Imbalance Medical Data

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