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Atom probe tomography (APT) is a valuable near-atomic scale imaging technique, which yields mass spectrographic data. Experimental correctness can often pivot on the identification of peaks within a dataset, this is a manual process where…

Atomic Physics · Physics 2017-11-21 Daniel Haley , Pyuck-Pa Choi , Dierk Raabe

Pretrained language models (LMs) showcase significant capabilities in processing molecular text, while concurrently, message passing neural networks (MPNNs) demonstrate resilience and versatility in the domain of molecular science. Despite…

Machine Learning · Computer Science 2025-06-17 Jiaqing Xie , Ziheng Chi

We examine systematically the (in)consistency between cosmological constraints as obtained from various current data sets of the expansion history, Large Scale Structure (LSS), and Cosmic Microwave Background (CMB) from Planck. We run…

Cosmology and Nongalactic Astrophysics · Physics 2017-11-08 Weikang Lin , Mustapha Ishak

A variety of genome-wide profiling techniques are available to probe complementary aspects of genome structure and function. Integrative analysis of heterogeneous data sources can reveal higher-level interactions that cannot be detected…

Computational Engineering, Finance, and Science · Computer Science 2012-03-23 Leo Lahti , Martin Schäfer , Hans-Ulrich Klein , Silvio Bicciato , Martin Dugas

Fine-tuning large language models (LLMs) using diverse datasets is crucial for enhancing their overall performance across various domains. In practical scenarios, existing methods based on modeling the mixture proportions of data…

Computation and Language · Computer Science 2025-10-31 Zhenqing Ling , Daoyuan Chen , Liuyi Yao , Qianli Shen , Yaliang Li , Ying Shen

Objectives: To assess evaluative methodologies for comparative measurements of test sensitivity in clinical mammographic screening trials of computer-aided detection (CAD) technologies. Materials and Methods: This meta-analysis was…

Medical Physics · Physics 2013-02-07 Jacob Levman

When a model may be fitted separately to each individual statistical unit, inspection of the point estimates may help the statistician to understand between-individual variability and to identify possible relationships. However, some…

AIMS: The separation of foreground contamination from cosmic microwave background (CMB) observations is one of the most challenging and important problem of digital signal processing in Cosmology. In literature, various techniques have been…

Astrophysics · Physics 2015-05-13 R. Vio , P. Andreani

In clinical trials, mixed effects models for repeated measures (MMRM) and pattern mixture models (PMM) are often used to analyze longitudinal continuous outcomes. We describe a simple missing data imputation algorithm for the MMRM that can…

Methodology · Statistics 2016-10-13 Yongqiang Tang

On large angular scales, CMB polarization depends mostly on the evolution of the ionization level of the IGM during reionization. In order to avoid biasing parameter estimates, an accurate and model independent approach to reionization is…

Astrophysics · Physics 2009-06-23 Loris P. L. Colombo , Elena Pierpaoli

In this study, we leverage LLM to enhance the semantic analysis and develop similarity metrics for texts, addressing the limitations of traditional unsupervised NLP metrics like ROUGE and BLEU. We develop a framework where LLMs such as…

Computation and Language · Computer Science 2024-02-22 Shaochen Xu , Zihao Wu , Huaqin Zhao , Peng Shu , Zhengliang Liu , Wenxiong Liao , Sheng Li , Andrea Sikora , Tianming Liu , Xiang Li

Identification of nearly all proteins in a system using data-dependent acquisition (DDA) mass spectrometry has become routine for simple organisms, such as bacteria and yeast. Still, quantification of the identified proteins may be a…

Quantitative Methods · Quantitative Biology 2019-01-21 Jesse G. Meyer

Pairwise preference data have played an important role in the alignment of large language models (LLMs). Each sample of such data consists of a prompt, two different responses to the prompt, and a binary label indicating which of the two…

Computation and Language · Computer Science 2026-05-12 Zhongze Cai , Xiaocheng Li

We report the method of LC/ESI-MS analysis of underivatized amino acids with corresponding mass spectrum and fragmentation patterns. Diagnostic product ions determined by mass spectrometry can support the qualitative identification and…

Chemical Physics · Physics 2016-08-30 Yoshinori Takano , Yoshito Chikaraishi , Naohiko Ohkouchi

Multi-label (ML) data deals with multiple classes associated with individual samples at the same time. This leads to the co-occurrence of several classes repeatedly, which indicates some existing correlation among them. In this article, the…

Machine Learning · Computer Science 2021-09-23 Anwesha Law , Ashish Ghosh

High resolution microarrays and second-generation sequencing platforms are powerful tools to investigate genome-wide alterations in DNA copy number, methylation and gene expression associated with a disease. An integrated genomic profiling…

Applications · Statistics 2013-04-22 Ronglai Shen , Sijian Wang , Qianxing Mo

This paper studies the performance of the spectral method in the estimation and uncertainty quantification of the unobserved preference scores of compared entities in a general and more realistic setup. Specifically, the comparison graph…

Methodology · Statistics 2024-03-04 Jianqing Fan , Zhipeng Lou , Weichen Wang , Mengxin Yu

In this paper, we compare and analyze clustering methods with missing data in health behavior research. In particular, we propose and analyze the use of compressive sensing's matrix completion along with spectral clustering to cluster…

Numerical Analysis · Mathematics 2014-04-24 Ran Zhao , Deanna Needell , Christopher Johansen , Jerry L. Grenard

The AMS Collaboration has recently released data on cosmic ray (CR) leptons and hadrons that can shed light on two exciting problems in CR physics: on one side, the origin of the rise of the CR positron fraction above ~10 GeV of energy, on…

High Energy Astrophysical Phenomena · Physics 2015-11-02 Nicola Tomassetti

Missing values are a notable challenge when analysing mass spectrometry-based proteomics data. While the field is still actively debating on the best practices, the challenge increased with the emergence of mass spectrometry-based…

Quantitative Methods · Quantitative Biology 2023-07-12 Christophe Vanderaa , Laurent Gatto