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Utami, Nurul Putrie
Universitas Ahmad Dahlan
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Attention Mechanism with Kalman Smoothing Improved Long Short-Term Memory Mechanism for Obesity Weight Forecasting Pranolo, Andri; Utami, Nurul Putrie; Anasyua, Fairuz Khairunnisa
JOIV : International Journal on Informatics Visualization Vol 9, No 6 (2025)
Publisher : Society of Visual Informatics

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62527/joiv.9.6.4633

Abstract

This study aims to evaluate and compare the performance of several variants of Long Short-Term Memory (LSTM) based models in predicting obesity weight data. The main contribution of this research was to perform an extensive assessment of the effectiveness of LSTM-based models, including the combination of Attention-LSTM with Kalman Smoothing (KS), using two different data normalization methods (Z-score and Min-Max). This research used a publicly available dataset on obesity levels based on eating habits and physical condition, available at the UCI Machine Learning Repository. The models evaluated include the standard LSTM, Attention-LSTM, KS-LSTM, and the proposed KS-Attention-LSTM. The evaluation is conducted using the Root Mean Square Error (RMSE), the Mean Absolute Percentage Error (MAPE), and the coefficient of determination (R²). The results showed that the proposed KS-Attention-LSTM model with Min-Max normalization achieved the lowest MAPE (0.28372) and the highest R² (0.79527) among the models. This suggests that the proposed model offers advantages in terms of prediction accuracy and has a good ability to handle data variations. Therefore, the KS-Attention-LSTM model with Min-Max normalization is strongly recommended for practical implementation, particularly for time-series data prediction in the health sector. This research is beneficial and contributes an effective alternative model that improves prediction accuracy, supports decision-making in the health sector, and enriches forecasting methods. 
Co-Authors Afrilla Danisa Amanda, Baiq Haura Resti Anasyua, Fairuz Khairunnisa Andri Pranolo Anisa Nur Baitirahman Aprilia Fitriani Ayuningtyas, Cita Eri Baitirahman, Anisa Nur Emy Huriyati Hadi Sasongko Hadi Sasongko Hadi Sasongko, Hadi Hasnanisa, Nida Lathifah Ichsan Luqmana Indra Putra, Ichsan Luqmana Indra Khoiriyah Isni Larasati Larasati Martalena Br Purba Nabila Fadhila Rahma Natalina, Retno Novitha, Novitha Okvania Putri Nabila Prima Suci Rohmadheny Puriadi, Perkasa Gadik Purwanti Pratiwi Purbosari Purwanti Pratiwi Purbosari Putri Cahya Pertiwi Retno Natalina Salamah, Zuhrotus Septiyani, Retnosyari Sri Wijayanti Wulandari Wahyu Nugroho Widodo Hariyono Widodo Hariyono Wulandari, Sri Wijayanti Zuchrotus Salamah Zuchrotus Salamah