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Biomarker measurements can be relatively easy and quick to obtain and they are useful to investigate whether a compound works as intended on a mechanistic, pharmacological level. In some situations, it is realistic to assume that patients,…

统计方法学 · 统计学 2018-06-26 Björn Bornkamp , Georgina Bermann

Alchemical binding free energy (BFE) calculations offer an efficient and thermodynamically rigorous approach to in silico binding affinity predictions. As a result of decades of methodological improvements and recent advances in computer…

统计力学 · 物理学 2021-07-13 Pengfei Li , Zhijie Li , Yu Wang , Huaixia Dou , Brian K. Radak , Woody Sherman , Huafeng Xu

Maximum likelihood or restricted maximum likelihood (REML) estimates of the parameters in linear mixed-effects models can be determined using the lmer function in the lme4 package for R. As for most model-fitting functions in R, the model…

统计计算 · 统计学 2014-06-24 Douglas Bates , Martin Mächler , Ben Bolker , Steve Walker

Recent advances in experimental methods have enabled researchers to collect data on thousands of analytes simultaneously. This has led to correlational studies that associated molecular measurements with diseases such as Alzheimer's, Liver,…

定量方法 · 定量生物学 2024-05-20 Divyagna Bavikadi , Ayushi Agarwal , Shashank Ganta , Yunro Chung , Lusheng Song , Ji Qiu , Paulo Shakarian

In this paper, a nonparametric maximum likelihood (ML) estimator for band-limited (BL) probability density functions (pdfs) is proposed. The BLML estimator is consistent and computationally efficient. To compute the BLML estimator, three…

机器学习 · 统计学 2015-06-30 Rahul Agarwal , Zhe Chen , Sridevi V. Sarma

Deep learning (DL) and machine learning (ML) models have shown promise in drug response prediction (DRP), yet their ability to generalize across datasets remains an open question, raising concerns about their real-world applicability. Due…

We demonstrate the application of mixture density networks (MDNs) in the context of automated radiation therapy treatment planning. It is shown that an MDN can produce good predictions of dose distributions as well as reflect uncertain…

医学物理 · 物理学 2021-07-06 Viktor Nilsson , Hanna Gruselius , Tianfang Zhang , Geert De Kerf , Michaël Claessens

The problem of optimal dosage estimation arises in diverse scientific domains, from pharmacology and toxicology to aquaculture and environmental studies. Statistical modeling of nonlinear dose-response relationships is essential to quantify…

统计方法学 · 统计学 2026-05-08 Aliaksandr Hubin , Åshild Krogdahl , Guro Løkka , Trond M. Kortner

State-of-the-art neural networks can be trained to become remarkable solutions to many problems. But while these architectures can express symbolic, perfect solutions, trained models often arrive at approximations instead. We show that the…

机器学习 · 计算机科学 2025-09-09 Matan Abudy , Orr Well , Emmanuel Chemla , Roni Katzir , Nur Lan

Analogy completion has been a popular task in recent years for evaluating the semantic properties of word embeddings, but the standard methodology makes a number of assumptions about analogies that do not always hold, either in recent…

计算与语言 · 计算机科学 2017-06-08 Denis Newman-Griffis , Albert M Lai , Eric Fosler-Lussier

Inference in hierarchical nonlinear models needs careful consideration about targeting parameters that have either a conditional or population-average interpretation. For the special case of mixed-effects nonlinear sigmoidal models we…

应用统计 · 统计学 2017-07-11 Daniel Gerhard , Christian Ritz

This paper considers the problem of estimating a power-law degree distribution of an undirected network using sampled data. Although power-law degree distributions are ubiquitous in nature, the widely used parametric methods for estimating…

社会与信息网络 · 计算机科学 2021-03-09 Buddhika Nettasinghe , Vikram Krishnamurthy

Although much of the success of Deep Learning builds on learning good representations, a rigorous method to evaluate their quality is lacking. In this paper, we treat the evaluation of representations as a model selection problem and…

机器学习 · 计算机科学 2024-11-19 Yazhe Li , Jorg Bornschein , Marcus Hutter

Key processes in biological and chemical systems are described by networks of chemical reactions. From molecular biology to biotechnology applications, computational models of reaction networks are used extensively to elucidate their…

定量方法 · 定量生物学 2019-02-18 Pavel Loskot , Komlan Atitey , Lyudmila Mihaylova

In recent years, machine learning has been proposed as a promising strategy to build accurate scoring functions for computational docking finalized to numerically empowered drug discovery. However, the latest studies have suggested that…

定量方法 · 定量生物学 2023-02-17 F. Pellicani , D. Dal Ben , A. Perali , S. Pilati

We consider the problem of estimating a dose-response curve. Continuous treatments arise often in practice, e.g. in the form of time spent on an operation, distance traveled to a location or dosage of a drug. Letting $A$ denote a continuous…

统计方法学 · 统计学 2026-04-14 Matteo Bonvini , Edward H. Kennedy

The analysis of tabular datasets is highly prevalent both in scientific research and real-world applications of Machine Learning (ML). Unlike many other ML tasks, Deep Learning (DL) models often do not outperform traditional methods in this…

机器学习 · 计算机科学 2024-08-28 Assaf Shmuel , Oren Glickman , Teddy Lazebnik

In observational studies, weighting methods that directly optimize the balance between treatment and covariates have received much attention lately; however these have mainly focused on binary treatments. Inspired by domain adaptation, we…

统计理论 · 数学 2020-02-27 Guillaume Martinet

Detection of anomalous situations for complex mission-critical systems hold paramount importance when their service continuity needs to be ensured. A major challenge in detecting anomalies from the operational data arises due to the…

机器学习 · 计算机科学 2025-05-20 Shanay Mehta , Shlok Mehendale , Nicole Fernandes , Jyotirmoy Sarkar , Santonu Sarkar , Snehanshu Saha

Deep learning (DL) models have become core modules for many applications. However, deploying these models without careful performance benchmarking that considers both hardware and software's impact often leads to poor service and costly…

机器学习 · 计算机科学 2021-01-06 Huaizheng Zhang , Yizheng Huang , Yonggang Wen , Jianxiong Yin , Kyle Guan