自动化机器学习代理在基因组数据上实现高成功率建模,推动生物信息学自主研究。
Agentomics-ML: Autonomous Machine Learning Experimentation Agent for Genomic and Transcriptomic Data
- 基于脚本交互的自主流程,迭代优化数据表示与模型配置。
- 在多个基因组基准数据集上成功率达90%以上,超越现有自动系统。
- 适合无经验研究人员快速构建可复现的生物数据分析模型。
机器学习和深度学习已推动分子医学在基因组学、转录组学、药物发现和生物系统建模方面的突破。随着生物数据量增大、多模态和异质性增强,亟需能生成通用预测模型的自动化方法。尽管基于大语言模型的智能体在结构化基准上展现出端到端自动化潜力,但在异构生物数据上仍面临泛化能力差、成功率低的问题。本文提出Agentomics-ML,一个完全自主的基于智能体的系统,可自动生成分类模型及可复现训练与推理所需文件。该系统遵循预设的机器学习实验流程,通过Bash脚本与文件系统反复交互完成各步骤。模型生成后,训练与验证指标提供标量反馈至反思环节,识别过拟合等问题,并生成文本建议用于后续迭代,如调整数据表示、模型架构或超参数。我们在多个公认的基因组与转录组基准数据集上评估了Agentomics-ML,结果显示其在泛化能力和成功率方面均优于现有最先进的基于智能体的方法。虽然由领域专家构建的最优模型在多数数据集上仍具绝对优势,但Agentomics-ML显著缩小了全自动化系统的差距,并在其中一个基准数据集上达到最先进性能。代码已开源:https://github.com/BioGeMT/Agentomics-ML。
原文摘要 · Abstract (English)
The adoption of machine learning (ML) and deep learning methods has revolutionized molecular medicine by driving breakthroughs in genomics, transcriptomics, drug discovery, and biological systems modeling. The increasing quantity, multimodality, and heterogeneity of biological datasets demand automated methods that can produce generalizable predictive models. Recent developments in large language model-based agents have shown promise for automating end-to-end ML experimentation on structured benchmarks. However, when applied to heterogeneous computational biology datasets, these methods struggle with generalization and success rates. Here, we introduce Agentomics-ML, a fully autonomous agent-based system designed to produce a classification model and the necessary files for reproducible training and inference. Our method follows predefined steps of an ML experimentation process, repeatedly interacting with the file system through Bash to complete individual steps. Once an ML model is produced, training and validation metrics provide scalar feedback to a reflection step to identify issues such as overfitting. This step then creates verbal feedback for future iterations, suggesting adjustments to steps such as data representation, model architecture, and hyperparameter choices. We have evaluated Agentomics-ML on several established genomic and transcriptomic benchmark datasets and show that it outperforms existing state-of-the-art agent-based methods in both generalization and success rates. While state-of-the-art models built by domain experts still lead in absolute performance on the majority of the computational biology datasets used in this work, Agentomics-ML narrows the gap for fully autonomous systems and achieves state-of-the-art performance on one of the used benchmark datasets. The code is available at https://github.com/BioGeMT/Agentomics-ML.
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