基于合成少数过采样技术(SMOTE)的非平衡类COVID-19病死率分类

T. Oladunni, Justin Stephan, Lala Aicha Coulibaly
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引用次数: 0

摘要

SARS-Cov-2不会再被引入。一年多前起源于中国武汉的全球大流行夺走了数千人的生命。自这场瘟疫到来以来,口罩已成为我们着装规范的一部分。本研究的重点是设计、开发和评估县一级的COVID-19病死率分类器。提出的模型将死亡率预测为低、中、高。这将有助于政府和决策者改进缓解战略,并提供减少疾病传播的措施。游客和旅行者也会发现这项工作对计划旅行很有用。实验数据集包含不平衡的死亡率水平。因此,使用SMOTE可以抵消类不平衡。对模型的评价基于精度、F1评分、准确度和ROC曲线。对五种学习算法进行了训练和评估。实验结果表明,Bagging模型的性能最好。
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COVID-19 Fatality Rate Classification Using Synthetic Minority Oversampling Technique (SMOTE) for Imbalanced Class
SARS-Cov-2 is not to be introduced anymore. The global pandemic that originated more than a year ago in Wuhan, China has claimed thousands of lives. Since the arrival of this plague, face mask has become part of our dressing code. The focus of this study is to design, develop and evaluate a COVID-19 fatality rate classifier at the county level. The proposed model predicts fatality rate as low, moderate, or high. This will help government and decision makers to improve mitigation strategy and provide measures to reduce the spread of the disease. Tourists and travelers will also find the work useful in planning of trips. Dataset for the experiment contained imbalanced fatality levels. Therefore, class imbalance was offset using SMOTE. Evaluation of the proposed model was based on precision, F1 score, accuracy, and ROC curve. Five learning algorithms were trained and evaluated. Experimental results showed the Bagging model has the best performance.
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