包装和增强组合模型的比较性能,用于预测多类不平衡数据的块性皮肤病
Hagar F Gouda1, Fatma D M Abdallah2
1Animal Wealth Development Department (Biostatistics subdivision), Faculty of Veterinary Medicine, Zagazig University, Zagazig, 44511, Sharkia, Egypt. hagarfathy@zu.edu.eg.
Scientific reports
|November 10, 2025
概括
整体机器学习模型有效地预测了牲畜中的块性皮肤病 (LSD). 随机森林随机过量采样实现了最高的准确性,突出显示了疫苗接种状况的重要性.
科学领域:
- 兽医医学 兽医医学 兽医医学
- 机器学习 机器学习
- 流行病学 流行病学
背景情况:
- 块性皮肤病 (LSD) 严重威胁牲畜健康,并造成经济损失.
- 集体机器学习 (ML) 为兽医环境中的疾病预测提供了先进的决策支持.
- 准确的预测模型对于有效管理牲畜群体的风险至关重要.
研究的目的:
- 开发和评估集体ML模型,用于预测埃及牲畜中的块性皮肤病 (LSD).
- 为应对兽医疾病数据集多类失衡的挑战.
- 确定LSD的关键预测因素,以告知有针对性的干预策略.
主要方法:
- 收集了来自埃及六个省份的1,041条记录 (2020年6月至2022年10月).
- 应用的数据平衡技术:SMOTE,随机过量抽样 (ROS) 和随机不足抽样 (RUS).
- 通过使用超参数调和10倍交叉验证,评估了五个组合模型 (DT,RF,AdaBoost,GBoost,XGBoost).
主要成果:
- 随机森林模型与ROS (RF-ROS) 结合实现了最高的准确性 (82%) 和AUC (0.93).
- 均衡的XGBoost也表现出强的表现 (81.25%准确度,AUC=0.93).
- 在SHAP分析中,疫苗接种状态被认为是LSD结果最重要的预测因素.
结论:
- 将重新采样技术与超参数调整相结合,可以显著提高ML模型在不平衡的兽医数据集上的性能.
- 整体ML模型,特别是带有ROS的随机森林,是LSD预测的有效工具.
- 疫苗接种状态是预防和控制LSD的关键因素,指导有针对性的干预措施.
相关概念视频
Classification of Illness
8.5K
The meaning of illness is individualized to each person who experiences an alteration in health. In contrast, disease is a medical term indicating a pathological change in the structure and function of the body or mind. It is a condition that has specific symptoms and boundaries.
An illness is a response to a disease in which the person's level of functioning is changed compared with a previous level. The general classification of illness includes acute and chronic.
Acute illness is severe...
An illness is a response to a disease in which the person's level of functioning is changed compared with a previous level. The general classification of illness includes acute and chronic.
Acute illness is severe...
8.5K
Survival Tree
375
Survival trees are a non-parametric method used in survival analysis to model the relationship between a set of covariates and the time until an event of interest occurs, often referred to as the "time-to-event" or "survival time." This method is particularly useful when dealing with censored data, where the event has not occurred for some individuals by the end of the study period, or when the exact time of the event is unknown.
Building a Survival Tree
Constructing a...
Building a Survival Tree
Constructing a...
375
Skin Cancer
5.7K
Skin cancer is a type of cancer that occurs when there is an abnormal growth of skin cells, usually triggered by damage to the DNA within the skin cells. It is primarily caused by exposure to ultraviolet (UV) radiation from the sun or artificial sources like tanning beds. Skin cancer is the most common type of cancer worldwide, and its incidence continues to rise.
Basal Cell Carcinoma (BCC): BCC is the most common type of skin cancer, accounting for about 80% of cases. It typically develops in...
Basal Cell Carcinoma (BCC): BCC is the most common type of skin cancer, accounting for about 80% of cases. It typically develops in...
5.7K
Aggregates Classification
960
Aggregate classification is generally based on its size, petrographic characteristics, weight, and source. Size classification ranges from coarse to fine aggregates, defined by the size of the particles. Coarse aggregates are particles that do not pass through ASTM sieve No. 4, and aggregates that pass through the sieve are fine aggregates.
Petrographic classification groups aggregates based on common mineralogical characteristics. Some of the common mineral groups found in aggregates are...
Petrographic classification groups aggregates based on common mineralogical characteristics. Some of the common mineral groups found in aggregates are...
960
Classification of Leukocytes
4.9K
Leukocytes are classified into two groups based on the presence or absence of cytoplasmic granules. Granular leukocytes, which contain granules, belong to the myeloid lineage and are divided into three subtypes: neutrophils, eosinophils, and basophils. These cells are roughly spherical and characterized by the granules in their cytoplasm.
Neutrophils are the most abundant type of granular leukocytes, comprising 50-70% of all leukocytes. They feature small, evenly distributed granules and a...
Neutrophils are the most abundant type of granular leukocytes, comprising 50-70% of all leukocytes. They feature small, evenly distributed granules and a...
4.9K
