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Commodity Trading Advisors (CTAs) have historically relied on trend-following rules that operate on vastly different horizons from long-term breakouts that capture major directional moves to short-term momentum signals that thrive in…

人工智能 · 计算机科学 2025-07-23 Eric Benhamou , Jean-Jacques Ohana , Alban Etienne , Béatrice Guez , Ethan Setrouk , Thomas Jacquot

We present a multi-fidelity method for uncertainty quantification of parameter estimates in complex systems, leveraging generative models trained to sample the target conditional distribution. In the Bayesian inference setting, traditional…

机器学习 · 计算机科学 2025-04-03 Caroline Tatsuoka , Minglei Yang , Dongbin Xiu , Guannan Zhang

Probabilistic vehicle trajectory prediction is essential for robust safety of autonomous driving. Current methods for long-term trajectory prediction cannot guarantee the physical feasibility of predicted distribution. Moreover, their…

机器学习 · 计算机科学 2019-11-13 Chen Tang , Jianyu Chen , Masayoshi Tomizuka

When extending inferences from a randomized trial to a new target population, the transportability condition for conditional difference effect measures is invoked to identify the marginal causal mean difference in the target population.…

统计方法学 · 统计学 2024-07-18 Guanbo Wang , Alexander Levis , Jon Steingrimsson , Issa Dahabreh

As a natural approach to modeling system safety conditions, chance constraint (CC) seeks to satisfy a set of uncertain inequalities individually or jointly with high probability. Although a joint CC offers stronger reliability certificate,…

最优化与控制 · 数学 2022-04-04 Haoming Shen , Ruiwei Jiang

We introduce conditional push-forward neural networks (CPFN), a generative framework for conditional distribution estimation. Instead of directly modeling the conditional density $f_{Y|X}$, CPFN learns a stochastic map…

机器学习 · 计算机科学 2025-12-23 Nicola Rares Franco , Lorenzo Tedesco

Critical sequential decisions are rarely single-timescale: a strategic decision causally shapes the context in which every subsequent tactical choice is made; standard bandit and reinforcement-learning theory does not capture this causal…

人工智能 · 计算机科学 2026-05-29 Tim Woydt , Paul-David Zuercher

Coordination recognition and subtle pattern prediction of future trajectories play a significant role when modeling interactive behaviors of multiple agents. Due to the essential property of uncertainty in the future evolution,…

机器人学 · 计算机科学 2019-05-03 Jiachen Li , Hengbo Ma , Wei Zhan , Masayoshi Tomizuka

Exponential random graph models are an important tool in the statistical analysis of data. However, Bayesian parameter estimation for these models is extremely challenging, since evaluation of the posterior distribution typically involves…

统计计算 · 统计学 2017-05-05 Lampros Bouranis , Nial Friel , Florian Maire

The conditional average treatment effect (CATE) is a commonly targeted statistical parameter for measuring the effect of a treatment conditional on covariates. However, the CATE will fail to capture effects of treatments beyond differences…

统计方法学 · 统计学 2026-04-03 Jeffrey Näf , Junhyung Park , Herbert Susmann

Offline Reinforcement learning is commonly used for sequential decision-making in domains such as healthcare and education, where the rewards are known and the transition dynamics $T$ must be estimated on the basis of batch data. A key…

机器学习 · 计算机科学 2023-08-10 Leo Benac , Sonali Parbhoo , Finale Doshi-Velez

Clinical trial simulation (CTS) is critical in new drug development, providing insight into safety and efficacy while guiding trial design. Achieving realistic outcomes in CTS requires an accurately estimated joint distribution of the…

统计方法学 · 统计学 2025-05-08 Longwen Shang , Min Tsao , Xuekui Zhang

Sequence-to-Sequence (seq2seq) tasks transcribe the input sequence to a target sequence. The Connectionist Temporal Classification (CTC) criterion is widely used in multiple seq2seq tasks. Besides predicting the target sequence, a side…

计算与语言 · 计算机科学 2023-02-01 Jinchuan Tian , Brian Yan , Jianwei Yu , Chao Weng , Dong Yu , Shinji Watanabe

We propose to analyse the conditional distributional treatment effect (CoDiTE), which, in contrast to the more common conditional average treatment effect (CATE), is designed to encode a treatment's distributional aspects beyond the mean.…

机器学习 · 统计学 2021-06-11 Junhyung Park , Uri Shalit , Bernhard Schölkopf , Krikamol Muandet

Background: Daily or weekly cone-beam computed tomography (CBCT) scans are commonly used for accurate patient positioning during the image-guided radiotherapy (IGRT) process, making it an ideal option for adaptive radiotherapy (ART)…

We present a new method of transient point source deconvolution for coded-aperture X-Ray detectors. Our method is based upon the calculation of the likelihood function and its interpretation as a probability density for the transient source…

天体物理学 · 物理学 2008-02-03 Carlo Graziani , Donald Q. Lamb , Raphael Slawinski

Structure and parameters in a Bayesian network uniquely specify the probability distribution of the modeled domain. The locality of both structure and probabilistic information are the great benefits of Bayesian networks and require the…

人工智能 · 计算机科学 2013-01-30 Volker Tresp , Michael Haft , Reimar Hofmann

We derive a policy gradient theorem for Cumulative Prospect Theory (CPT) objectives in finite-horizon Reinforcement Learning (RL), generalizing the standard policy gradient theorem and encompassing distortion-based risk objectives as…

机器学习 · 计算机科学 2026-02-18 Olivier Lepel , Anas Barakat

Exploratory factor analysis is often used in the social sciences to estimate potential measurement models. To do this, several important issues need to be addressed: (1) determining the number of factors, (2) learning constraints in the…

统计方法学 · 统计学 2025-05-28 Dale S. Kim , Audrey Lu , Qing Zhou

Minibatch optimal transport coupling straightens paths in unconditional flow matching. This leads to computationally less demanding inference as fewer integration steps and less complex numerical solvers can be employed when numerically…

机器学习 · 计算机科学 2025-08-06 Ho Kei Cheng , Alexander Schwing