KOMBINASI METODE MICE DAN ADASYN UNTUK PENANGANAN DATA HILANG DAN KETIDAKSEIMBANGAN DATA PADA KLASIFIKASI PENYAKIT JANTUNG

PRATIWI, ANANDA and Desiani, Anita and Amran, Ali (2024) KOMBINASI METODE MICE DAN ADASYN UNTUK PENANGANAN DATA HILANG DAN KETIDAKSEIMBANGAN DATA PADA KLASIFIKASI PENYAKIT JANTUNG. Undergraduate thesis, Sriwijaya University.

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Abstract

The quality of data is determined by several factors, namely data completeness and data balance. The University of California Irvine (UCI) heart disease dataset has issues with missing data and data imbalance, which, if not addressed, can lead to reduced model prediction accuracy and errors in data interpretation. Missing data can be handled using several methods, one of which is data imputation. For missing data less than or equal to 5%, it can be handled using the mode method for nominal attributes. For missing data greater than 5%, the Multiple Imputation by Chained Equations (MICE) method is used. Data imbalance can be addressed using several methods, one of which is oversampling with Adaptive Synthetic Sampling Approach (ADASYN). To see how handling missing data and data imbalance affects the performance of heart disease classification, performance testing was conducted using the Random Forest, Support Vector Machine (SVM), and Multi-Layer Perceptron (MLP) classification methods. There was an increase in classification performance results after handling missing data and data imbalance. Accuracy increased by 18.48%, precision increased by 18.5%, and recall increased by 18.4%. Based on the obtained results, it can be concluded that the MICE and ADASYN methods can improve classification performance on the UCI heart disease dataset

Item Type:	Thesis (Undergraduate)
Subjects:	Q Science > Q Science (General) > Q334-342 Computer science. Artificial intelligence. Algorithms. Robotics. Automation.
Divisions:	08-Faculty of Mathematics and Natural Science > 44201-Mathematics (S1)
Depositing User:	Ananda Pratiwi
Date Deposited:	19 Aug 2024 03:58
Last Modified:	19 Aug 2024 03:58
URI:	http://repository.unsri.ac.id/id/eprint/154373

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