在材料和分子研究中的多忠度贝叶斯优化最佳实践
Víctor Sabanza-Gil1,2,3,4, Riccardo Barbano4, Daniel Pacheco Gutiérrez4
1Laboratory of Artificial Chemical Intelligence (LIAC), Institute of Chemical Sciences and Engineering, École Polytechnique Fédérale de Lausanne (EPFL), Lausanne, Switzerland.
Nature computational science
|July 23, 2025
概括
多忠实贝叶斯优化 (MFBO) 通过使用不同精度和成本的数据来加速材料和分子发现. 这项研究为在实验环境中应用MFBO提供了指导方针,增强了化学科学研究.
科学领域:
- 计算化学是一种计算化学.
- 材料科学是一种材料科学.
- 药物发现 药物发现
背景情况:
- 多忠实贝叶斯优化 (MFBO) 利用各种数据源进行高效的发现.
- 化学应用中缺乏对MFBO参数的系统评估.
研究的目的:
- 为在实验环境中使用MFBO提供准则.
- 评估MFBO在分子和材料发现方面的表现.
- 将MFBO与单一可信度方法进行基准测试.
主要方法:
- 在合成问题上研究了两个获取函数家族.
- 分析了近似功能的信息性和成本的影响.
- 在使用自定义实现的三个真实世界发现问题上进行了基准MFBO.
主要成果:
- MFBO证明了加速发现过程的潜力.
- 性能对采集功能选择和数据保真性敏感.
- 为实施MFBO制定了指导方针.
结论:
- 当采用精心选择参数时,MFBO可以成为化学科学的宝贵工具.
- 进一步的研究可以完善MFBO策略,以便更广泛地采用.
- 这项工作为实验设计提供了实际建议.
相关概念视频
Mechanistic Models: Compartment Models in Algorithms for Numerical Problem Solving
101
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...
101
One-Compartment Open Model: Wagner-Nelson and Loo Riegelman Method for ka Estimation
717
This lesson introduces two critical methods in pharmacokinetics, the Wagner-Nelson and Loo-Riegelman methods, used for estimating the absorption rate constant (ka) for drugs administered via non-intravenous routes. The Wagner-Nelson method relates ka to the plasma concentration derived from the slope of a semilog percent unabsorbed time plot. However, it is limited to drugs with one-compartment kinetics and can be impacted by factors like gastrointestinal motility or enzymatic degradation.
On...
On...
717
Model Approaches for Pharmacokinetic Data: Distributed Parameter Models
127
Pharmacokinetic models are mathematical constructs that represent and predict the time course of drug concentrations in the body, providing meaningful pharmacokinetic parameters. These models are categorized into compartment, physiological, and distributed parameter models.
The distributed parameter models are specifically designed to account for variations and differences in some drug classes. This model is particularly useful for assessing regional concentrations of anticancer or...
The distributed parameter models are specifically designed to account for variations and differences in some drug classes. This model is particularly useful for assessing regional concentrations of anticancer or...
127
Pharmacokinetic Models: Comparison and Selection Criterion
150
Physiological and compartmental models are valuable tools used in studying biological systems. These models rely on differential equations to maintain mass balance within the system, ensuring an accurate representation of the dynamic processes at play.
Physiological models take a detailed approach by considering specific molecular processes. They can predict drug distribution, metabolism, and elimination changes, providing a comprehensive understanding of how drugs interact with the body.
Physiological models take a detailed approach by considering specific molecular processes. They can predict drug distribution, metabolism, and elimination changes, providing a comprehensive understanding of how drugs interact with the body.
150
Molecular Models
40.5K
Physical models representing molecular architectures of chemical compounds play essential roles in understanding chemistry. The use of molecular models makes it easier to visualize the structures and shapes of atoms and molecules.
40.5K
Expected Frequencies in Goodness-of-Fit Tests
2.6K
A goodness-of-fit test is conducted to determine whether the observed frequency values are statistically similar to the frequencies expected for the dataset. Suppose the expected frequencies for a dataset are equal such as when predicting the frequency of any number appearing when casting a die. In that case, the expected frequency is the ratio of the total number of observations (n) to the number of categories (k).
2.6K


