组合突变和多种群驱动的差异性进化,用于数值优化和乳腺癌特征选择
Shubham Gupta1, Balkrishna Dwivedi1, Vinay Kumar2
1Department of Mathematics, Motilal Nehru National Institute of Technology Allahabad, Prayagraj, 211004, India.
Computers in biology and medicine
|June 15, 2025
概括
本研究引入了一种先进的微分进化算法 (EMMDE),用于在高维的乳腺癌数据集中进行最佳特征选择. EMMDE提高了预测模型的效率和准确性,优于现有的方法.
科学领域:
- 计算生物学 计算生物学
- 机器学习 机器学习
- 生物信息学是一种生物信息学.
背景情况:
- 乳腺癌诊断受到高维数据集的挑战,降低了预测模型的效率.
- 有效的特征选择对于提高诊断准确性和模型性能至关重要.
研究的目的:
- 开发一种先进的差异进化算法 (EMMDE),用于乳腺癌诊断中的最佳特征选择.
- 通过解决高维度医疗数据的挑战,提高预测模型的效率和准确性.
主要方法:
- 开发了一种先进的差异进化算法,名为集合突变和多种群驱动的差异进化 (EMMDE).
- 在EMMDE中包含了种群划分,集合突变规则和时间变化的几何多样化方案.
- 利用高斯分类作为指导向量来平衡勘探和开发,促进融合和人口多样性.
- 开发了EMMDE的二进制版本,使用转移函数对基准和乳腺癌数据集进行验证.
主要成果:
- EMMDE 在 IEEE CEC2017 基准函数上表现出卓越的搜索能力.
- 二元EMMDE算法在UCI和乳腺癌数据集上的特征选择中取得了高度准确和有希望的结果.
- 使用MCE和其他指标的实验验证证了算法的有效性.
结论:
- 拟议的EMMDE算法显著改善了乳腺癌诊断的特征选择.
- 对于处理高维数据集和提高预测模型性能,EMMDE提供了一个强大的解决方案.
- 该研究强调了新策略对优化和特征选择问题的metaheuristics的影响.
相关概念视频
Cancer Survival Analysis
458
Cancer survival analysis focuses on quantifying and interpreting the time from a key starting point, such as diagnosis or the initiation of treatment, to a specific endpoint, such as remission or death. This analysis provides critical insights into treatment effectiveness and factors that influence patient outcomes, helping to shape clinical decisions and guide prognostic evaluations. A cornerstone of oncology research, survival analysis tackles the challenges of skewed, non-normally...
458
Genetic Drift
40.8K
Natural selection—probably the most well-known evolutionary mechanism—increases the prevalence of traits that enhance survival and reproduction. However, evolution does not merely propagate favorable traits, nor does it always benefit populations.
40.8K
Mutation, Gene Flow, and Genetic Drift
59.5K
In a population that is not at Hardy-Weinberg equilibrium, the frequency of alleles changes over time. Therefore, any deviations from the five conditions of Hardy-Weinberg equilibrium can alter the genetic variation of a given population. Conditions that change the genetic variability of a population include mutations, natural selection, non-random mating, gene flow, and genetic drift (small population size).
59.5K
Mechanistic Models: Compartment Models in Algorithms for Numerical Problem Solving
104
Mechanistic models play a crucial role in algorithms for numerical problem-solving, particularly in nonlinear mixed effects modeling (NMEM). These models aim to minimize specific objective functions by evaluating various parameter estimates, leading to the development of systematic algorithms. In some cases, linearization techniques approximate the model using linear equations.
In individual population analyses, different algorithms are employed, such as Cauchy's method, which uses a...
In individual population analyses, different algorithms are employed, such as Cauchy's method, which uses a...
104
Genetic Variation
405
Genetic variation is the diversity in DNA sequences found among individuals of the same species. This diversity is crucial for a species' survival because it helps organisms adapt to environmental changes. Genetic variation begins with fertilization, where an egg and sperm cell merge. Each of these cells carries 23 chromosomes, up to 46 in the fertilized egg. Chromosomes are long DNA strands that contain genes, the basic units of heredity.
Genes exist in different versions called alleles,...
Genes exist in different versions called alleles,...
405
What is Population Genetics?
59.8K
A population is composed of members of the same species that simultaneously live and interact in the same area. When individuals in a population breed, they pass down their genes to their offspring. Many of these genes are polymorphic, meaning that they occur in multiple variants. Such variations of a gene are referred to as alleles. The collective set of all the alleles within a population is known as the gene pool.
59.8K


