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Article Details

Copyright Statement: This is an open access article licensed under a Creative Commons Attribution 4.0 International License, which permits unrestricted use, distribution, and reproduction in any medium, even commercially as long as the original work is properly cited.

Using Machine Learning Algorithm as a Method for Improving Stroke Prediction

Author 1: Nojood Alageel
Author 2: Rahaf Alharbi
Author 3: Rehab Alharbi
Author 4: Maryam Alsayil
Author 5: Lubna A. Alharbi

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Digital Object Identifier (DOI) : 10.14569/IJACSA.2023.0140481

Article Published in International Journal of Advanced Computer Science and Applications(IJACSA), Volume 14 Issue 4, 2023.

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Abstract: Having sudden strokes has had a very negative impact on all aspects in society to the point that it attracted efforts for better improvement and management of stroke diagnosis. Technological advancement also had an impact on the medical field such that nowadays caregivers have better options for taking care of their patients by mining and archiving their medical records for ease of retrieval. Furthermore, it is quite essential to understand the risk factors that make a patient more susceptible to strokes, thus there are some factors that make stroke prediction much easier. This research offers an analysis of the factors that enhance the stroke prediction process based on electronic health records. The most important factors for stroke prediction will be identified using statistical methods and Principal Component Analysis (PCA). It has been found that the most critical factors affecting stroke prediction are the age, average glucose level, heart disease, and hypertension. A balanced dataset is used for the model evaluation which was created by sub-sampling since the dataset for stroke occurrence is already highly imbalanced. In this study, seven different machine learning algorithms are implemented: Naïve Bayes, SVM, Random Forest, KNN, Decision Tree, Stacking, and majority voting to train on the Kaggle dataset to predict occurrence of stroke in patients. After preprocessing and splitting the dataset into training and testing sub-datasets, these proposed algorithms were evaluated according to accuracy, f1 score, recall value, and precision value. The NB classifier achieved the lowest accuracy level (86%), whereas the rest of the algorithms achieved similar accuracies 96%, f1 scores 0.98, precision 0.97, and recall 1.

Keywords: Stroke prediction; machine learning; PCA; decision tree; KNN; majority voting; Naïve Bayes

Nojood Alageel, Rahaf Alharbi, Rehab Alharbi, Maryam Alsayil and Lubna A. Alharbi, “Using Machine Learning Algorithm as a Method for Improving Stroke Prediction” International Journal of Advanced Computer Science and Applications(IJACSA), 14(4), 2023. http://dx.doi.org/10.14569/IJACSA.2023.0140481

@article{Alageel2023,
title = {Using Machine Learning Algorithm as a Method for Improving Stroke Prediction},
journal = {International Journal of Advanced Computer Science and Applications},
doi = {10.14569/IJACSA.2023.0140481},
url = {http://dx.doi.org/10.14569/IJACSA.2023.0140481},
year = {2023},
publisher = {The Science and Information Organization},
volume = {14},
number = {4},
author = {Nojood Alageel and Rahaf Alharbi and Rehab Alharbi and Maryam Alsayil and Lubna A. Alharbi}
}


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