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Class-level evaluation can conceal substantial performance disparities across subconcepts within the same class, causing models that perform well on average to fail on specific subpopulations. Prior work has shown that common evaluation…

机器学习 · 计算机科学 2026-04-30 Taylor Maxson , Roberto Corizzo , Yaning Wu , Nathalie Japkowicz , Colin Bellinger

The expense of acquiring labels in large-scale statistical machine learning makes partially and weakly-labeled data attractive, though it is not always apparent how to leverage such data for model fitting or validation. We present a…

机器学习 · 统计学 2022-02-10 Maxime Cauchois , Suyash Gupta , Alnur Ali , John Duchi

Ongoing developments in neural network models are continually advancing the state of the art in terms of system accuracy. However, the predicted labels should not be regarded as the only core output; also important is a well-calibrated…

机器学习 · 统计学 2019-01-08 Gil Keren , Nicholas Cummins , Björn Schuller

Data imbalance is ubiquitous when applying machine learning to real-world problems, particularly regression problems. If training data are imbalanced, the learning is dominated by the densely covered regions of the target distribution and…

机器学习 · 计算机科学 2024-10-29 Yuchang Jiang , Vivien Sainte Fare Garnot , Konrad Schindler , Jan Dirk Wegner

In many applications, accurate class probability estimates are required, but many types of models produce poor quality probability estimates despite achieving acceptable classification accuracy. Even though probability calibration has been…

机器学习 · 计算机科学 2020-02-18 Tim Leathart , Maksymilian Polaczuk

Recent advances in deep learning have achieved impressive gains in classification accuracy on a variety of types of data, including images and text. Despite these gains, however, concerns have been raised about the calibration, robustness,…

机器学习 · 计算机科学 2018-11-20 Dallas Card , Michael Zhang , Noah A. Smith

Although overparameterized models have shown their success on many machine learning tasks, the accuracy could drop on the testing distribution that is different from the training one. This accuracy drop still limits applying machine…

机器学习 · 计算机科学 2022-09-29 Yiping Lu , Wenlong Ji , Zachary Izzo , Lexing Ying

Mislabeled data is a pervasive issue that undermines the performance of machine learning systems in real-world applications. An effective approach to mitigate this problem is to detect mislabeled instances and subject them to special…

机器学习 · 计算机科学 2025-11-05 Ilies Chibane , Thomas George , Pierre Nodet , Vincent Lemaire

Boosting has garnered significant interest across both machine learning and statistical communities. Traditional boosting algorithms, designed for fully observed random samples, often struggle with real-world problems, particularly with…

机器学习 · 统计学 2026-02-19 Yuan Bian , Grace Y. Yi , Wenqing He

The goal of confidence-set learning in the binary classification setting is to construct two sets, each with a specific probability guarantee to cover a class. An observation outside the overlap of the two sets is deemed to be from one of…

机器学习 · 统计学 2018-10-01 Wenbo Wang , Xingye Qiao

Post-click conversion rate (CVR) is a reliable indicator of online customers' preferences, making it crucial for developing recommender systems. A major challenge in predicting CVR is severe selection bias, arising from users' inherent…

人工智能 · 计算机科学 2025-12-02 Wenbo Hu , Xin Sun , Qiang liu , Le Wu , Liang Wang

The assessment of binary classifier performance traditionally centers on discriminative ability using metrics, such as accuracy. However, these metrics often disregard the model's inherent uncertainty, especially when dealing with sensitive…

机器学习 · 计算机科学 2024-02-13 Agathe Fernandes Machado , Arthur Charpentier , Emmanuel Flachaire , Ewen Gallic , François Hu

When neural networks are confronted with unfamiliar data that deviate from their training set, this signifies a domain shift. While these networks output predictions on their inputs, they typically fail to account for their level of…

机器学习 · 计算机科学 2025-09-09 Fin Amin , Jung-Eun Kim

Wildfires present intricate challenges for prediction, necessitating the use of sophisticated machine learning techniques for effective modeling\cite{jain2020review}. In our research, we conducted a thorough assessment of various machine…

机器学习 · 计算机科学 2024-04-03 Di Fan , Ayan Biswas , James Paul Ahrens

Machine learning algorithms have been effectively applied into various real world tasks. However, it is difficult to provide high-quality machine learning solutions to accommodate an unknown distribution of input datasets; this difficulty…

机器学习 · 计算机科学 2019-02-26 Ruihan Hu , Qijun Huang , Sheng Chang , Hao Wang , Jin He

Deep neural networks are frequently used by autonomous systems for their ability to learn complex, non-linear data patterns and make accurate predictions in dynamic environments. However, their use as black boxes introduces risks as the…

机器学习 · 计算机科学 2021-10-08 Dimitrios Boursinos , Xenofon Koutsoukos

Whereas confidence intervals are used to assess uncertainty due to unmeasured individuals, confounding intervals can be used to assess uncertainty due to unmeasured attributes. Previously, we have introduced a methodology for computing…

统计方法学 · 统计学 2025-08-13 Brian Knaeble , R Mitchell Hughes

Bayesian Neural Networks (BNNs) often result uncalibrated after training, usually tending towards overconfidence. Devising effective calibration methods with low impact in terms of computational complexity is thus of central interest. In…

机器学习 · 计算机科学 2020-08-18 Hector J. Hortua , Luigi Malago , Riccardo Volpi

Time series forecasting has long been dominated by advances in model architecture, with recent progress driven by deep learning and hybrid statistical techniques. However, as forecasting models approach diminishing returns in accuracy, a…

机器学习 · 计算机科学 2026-01-29 Daojun Liang , Qi Li , Yinglong Wang , Jing Chen , Hu Zhang , Xiaoxiao Cui , Qizheng Wang , Shuo Li

As we move away from the data, the predictive uncertainty should increase, since a great variety of explanations are consistent with the little available information. We introduce Distance-Aware Prior (DAP) calibration, a method to correct…

机器学习 · 统计学 2022-07-19 Gianluca Detommaso , Alberto Gasparin , Andrew Wilson , Cedric Archambeau