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The task of simplifying the complex spatio-temporal variables associated with climate modeling is of utmost importance and comes with significant challenges. In this research, our primary objective is to tailor clustering techniques to…

应用统计 · 统计学 2023-11-21 Alexis Boulin , Elena Di Bernardino , Thomas Laloë , Gwladys Toulemonde

Climate models robustly imply that some significant change in precipitation patterns will occur. Models consistently project that the intensity of individual precipitation events increases by approximately 6-7%/K, following the increase in…

应用统计 · 统计学 2016-12-21 Won Chang , Michael L. Stein , Jiali Wang , V. Rao Kotamarthi , Elisabeth J. Moyer

Obtaining data to train robust artificial intelligence (AI)-based models for species classification can be challenging, particularly for rare species. Data augmentation can boost classification accuracy by increasing the diversity of…

声音 · 计算机科学 2025-12-16 Anthony Gibbons , Emma King , Ian Donohue , Andrew Parnell

Differences in data size per class, also known as imbalanced data distribution, have become a common problem affecting data quality. Big Data scenarios pose a new challenge to traditional imbalanced classification algorithms, since they are…

机器学习 · 计算机科学 2021-09-06 Diego García-Gil , Salvador García , Ning Xiong , Francisco Herrera

Automated scoring of students' scientific explanations offers the potential for immediate, accurate feedback, yet class imbalance in rubric categories particularly those capturing advanced reasoning remains a challenge. This study…

人工智能 · 计算机科学 2026-04-23 Prudence Djagba , Kevin Haudek , Clare G. C. Franovic , Leonora Kaldaras

Imbalanced data, where the positive samples represent only a small proportion compared to the negative samples, makes it challenging for classification problems to balance the false positive and false negative rates. A common approach to…

机器学习 · 统计学 2026-02-17 Pengfei Lyu , Zhengchi Ma , Linjun Zhang , Anru R. Zhang

Climate change impacts a broad spectrum of human resources and activities, necessitating the use of climate models to project long-term effects and inform mitigation and adaptation strategies. These models generate multiple datasets by…

Data augmentation has become a standard practice in software engineering to address limited or imbalanced data sets, particularly in specialized domains like test classification and bug detection where data can be scarce. Although…

软件工程 · 计算机科学 2025-02-05 Riddhi More , Jeremy S. Bradbury

In this paper, we present a comprehensive analysis of extreme temperature patterns using emerging statistical machine learning techniques. Our research focuses on exploring and comparing the effectiveness of various statistical models for…

应用统计 · 统计学 2023-07-27 Kameron B. Kinast , Ernest Fokoué

Research on environmental risk modeling relies on numerous indicators to quantify the magnitude and frequency of extreme climate events, their ecological, economic, and social impacts, and the coping mechanisms that can reduce or mitigate…

信息论 · 计算机科学 2026-01-29 Abdullah Konak

Modern data-driven surrogate models for weather forecasting provide accurate short-term predictions but inaccurate and nonphysical long-term forecasts. This paper investigates online weather prediction using machine learning surrogates…

信号处理 · 电气工程与系统科学 2025-02-12 Melissa Adrian , Daniel Sanz-Alonso , Rebecca Willett

Artificial intelligence (AI)-based models are revolutionizing weather forecasting and have surpassed leading numerical weather prediction systems on various benchmark tasks. However, their ability to extrapolate and reliably forecast…

大气与海洋物理 · 物理学 2025-08-22 Zhongwei Zhang , Erich Fischer , Jakob Zscheischler , Sebastian Engelke

In this paper, we present results on improving out-of-domain weather prediction and uncertainty estimation as part of the \texttt{Shifts Challenge on Robustness and Uncertainty under Real-World Distributional Shift} challenge. We find that…

机器学习 · 计算机科学 2024-01-10 Sankalp Gilda , Neel Bhandari , Wendy Mak , Andrea Panizza

For several years till date, the major issues in terms of solving for classification problems are the issues of Imbalanced data. Because majority of the machine learning algorithms by default assumes all data are balanced, the algorithms do…

机器学习 · 统计学 2020-10-12 Richmond Addo Danquah

Data assimilation has become a key technique for combining physical models with observational data to estimate state variables. However, classical assimilation algorithms often struggle with the high nonlinearity present in both physical…

机器学习 · 计算机科学 2025-07-22 Zhuoyuan Li , Bin Dong , Pingwen Zhang

The weather and climate domains are undergoing a significant transformation thanks to advances in AI-based foundation models such as FourCastNet, GraphCast, ClimaX and Pangu-Weather. While these models show considerable potential, they are…

机器学习 · 计算机科学 2024-07-18 Junqi Yin , Siming Liang , Siyan Liu , Feng Bao , Hristo G. Chipilski , Dan Lu , Guannan Zhang

Imbalanced learning is a fundamental challenge in data mining, where there is a disproportionate ratio of training samples in each class. Over-sampling is an effective technique to tackle imbalanced learning through generating synthetic…

机器学习 · 计算机科学 2022-08-29 Daochen Zha , Kwei-Herng Lai , Qiaoyu Tan , Sirui Ding , Na Zou , Xia Hu

There is growing importance to detecting faults and implementing the best methods in industrial and real-world systems. We are searching for the most trustworthy and practical data-based fault detection methods proposed by artificial…

系统与控制 · 电气工程与系统科学 2023-01-11 Mohammad Hossein Modirrousta , Mahdi Aliyari Shoorehdeli , Mostafa Yari , Arash Ghahremani

Machine learning and deep learning methods have been widely explored in understanding the chaotic behavior of the atmosphere and furthering weather forecasting. There has been increasing interest from technology companies, government…

Natural disaster assessment relies on accurate and rapid access to information, with social media emerging as a valuable real-time source. However, existing datasets suffer from class imbalance and limited samples, making effective model…

计算机与社会 · 计算机科学 2025-11-04 Adrian-Dinu Urse , Dumitru-Clementin Cercel , Florin Pop
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