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An adaptive design adjusts dynamically as information is accrued and a consequence of applying an adaptive design is the potential for inducing small-sample bias in estimates. In psychometrics and psychophysics, a common class of studies…

统计方法学 · 统计学 2025-02-17 Simon Bang Kristensen , Katrine Bødkergaard , Bo Martin Bibby

Sentiment analysis in low-resource languages suffers from a lack of annotated corpora to estimate high-performing models. Machine translation and bilingual word embeddings provide some relief through cross-lingual sentiment approaches.…

计算与语言 · 计算机科学 2018-05-24 Jeremy Barnes , Roman Klinger , Sabine Schulte im Walde

Multimodal sentiment analysis is an important area for understanding the user's internal states. Deep learning methods were effective, but the problem of poor interpretability has gradually gained attention. Previous works have attempted to…

计算与语言 · 计算机科学 2023-05-15 Sixia Li , Shogo Okada

Non-randomized treatment effect models are widely used for the assessment of treatment effects in various fields and in particular social science disciplines like political science, psychometry, psychology. More specifically, these are…

统计方法学 · 统计学 2021-12-02 Debarghya Mukherjee , Moulinath Banerjee , Ya'acov Ritov

Uncertainty in machine learning models is a timely and vast field of research. In supervised learning, uncertainty can already occur in the first stage of the training process, the annotation phase. This scenario is particularly evident…

机器学习 · 计算机科学 2024-07-24 Katharina Hechinger , Christoph Koller , Xiao Xiang Zhu , Göran Kauermann

Sense embedding learning methods learn different embeddings for the different senses of an ambiguous word. One sense of an ambiguous word might be socially biased while its other senses remain unbiased. In comparison to the numerous prior…

计算与语言 · 计算机科学 2022-03-17 Yi Zhou , Masahiro Kaneko , Danushka Bollegala

We address the issue of performing inference on the parameters that index a bimodal extension of the Birnbaum-Saunders distribution (BS). We show that maximum likelihood point estimation can be problematic since the standard nonlinear…

统计计算 · 统计学 2017-11-27 Rodney Fonseca , Francisco Cribari-Neto

Hallucination remains a key obstacle to the reliable deployment of large language models (LLMs) in real-world question answering tasks. A widely adopted strategy to detect hallucination, known as self-assessment, relies on the model's own…

人工智能 · 计算机科学 2025-06-04 Jinyuan Luo , Zhen Fang , Yixuan Li , Seongheon Park , Ling Chen

Parkinson's disease (PD) is a chronic, degenerative neurological disorder. PD cannot be prevented, slowed or cured as of today but highly effective symptomatic treatments are available. We consider relevant estimands and treatment effect…

In Ordinal Classification tasks, items have to be assigned to classes that have a relative ordering, such as positive, neutral, negative in sentiment analysis. Remarkably, the most popular evaluation metrics for ordinal classification tasks…

计算与语言 · 计算机科学 2022-02-22 Enrique Amigó , Julio Gonzalo , Stefano Mizzaro , Jorge Carrillo-de-Albornoz

Automated essay scoring (AES) predicts multiple rubric-defined trait scores for each essay, where each trait follows an ordered discrete rating scale. Most LLM-based AES methods cast scoring as autoregressive token generation and obtain the…

计算与语言 · 计算机科学 2026-03-17 Han Zhang , Jiamin Su , Li liu

In recent years it has become popular to study machine learning problems in a setting of ordinal distance information rather than numerical distance measurements. By ordinal distance information we refer to binary answers to distance…

机器学习 · 统计学 2017-07-25 Matthäus Kleindessner , Ulrike von Luxburg

We propose a method that would allow for a rigorous statistical analysis of neural responses to natural stimuli, which are non-Gaussian and exhibit strong correlations. We have in mind a model in which neurons are selective for a small…

生物物理 · 物理学 2007-05-23 Tatyana Sharpee , Nicole C. Rust , William Bialek

Spaces with locally varying scale of measurement, like multidimensional structures with differently scaled dimensions, are pretty common in statistics and machine learning. Nevertheless, it is still understood as an open question how to…

In classical study designs, the aim is often to learn about the effects of a treatment or intervention on a single outcome; in many modern studies, however, data on multiple outcomes are collected and it is of interest to explore effects on…

统计方法学 · 统计学 2017-06-15 Edward H. Kennedy , Shreya Kangovi , Nandita Mitra

There have been many successful applications of sentence embedding methods. However, it has not been well understood what properties are captured in the resulting sentence embeddings depending on the supervision signals. In this paper, we…

计算与语言 · 计算机科学 2022-06-13 Hayato Tsukagoshi , Ryohei Sasano , Koichi Takeda

Semantic segmentation consists of predicting a semantic label for each image pixel. While existing deep learning approaches achieve high accuracy, they often overlook the ordinal relationships between classes, which can provide critical…

计算机视觉与模式识别 · 计算机科学 2025-02-06 Ricardo P. M. Cruz , Rafael Cristino , Jaime S. Cardoso

Sensing and Perception (S&P) is a crucial component of an autonomous system (such as a robot), especially when deployed in highly dynamic environments where it is required to react to unexpected situations. This is particularly true in case…

人工智能 · 计算机科学 2021-09-06 Andrea Piazzoni , Jim Cherian , Martin Slavik , Justin Dauwels

An important problem in the analysis of high-dimensional omics data is to identify subsets of molecular variables that are associated with a phenotype of interest. This requires addressing the challenges of high dimensionality, strong…

统计方法学 · 统计学 2022-04-05 Fan Wang , Sylvia Richardson , Steven M. Hill

Mendelian randomization (MR) is widely used to uncover causal relationships in the presence of unmeasured confounders. However, most existing MR methods presuppose linear causality, risking bias when the true relationships are nonlinear,…

统计方法学 · 统计学 2025-08-05 Xinpei Wang , Tao Huang , Jinzhu Jia