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Markov chain Monte Carlo (MCMC) is a sampling-based method for estimating features of probability distributions. MCMC methods produce a serially correlated, yet representative, sample from the desired distribution. As such it can be…

统计计算 · 统计学 2019-12-10 Dootika Vats , Nathan Robertson , James M Flegal , Galin L Jones

Machine learning algorithms generally suffer from a problem of explainability. Given a classification result from a model, it is typically hard to determine what caused the decision to be made, and to give an informative explanation. We…

机器学习 · 计算机科学 2019-06-26 Jonathan Moore , Nils Hammerla , Chris Watkins

I present a brief overview of a variety of computational tools for supersymmetry calculations, including: spectrum generators, cross section and branching fraction calculators, low energy constraints, general purpose event generators,…

高能物理 - 唯象学 · 物理学 2016-12-21 Howard Baer

Markov chain Monte Carlo (MCMC) is a powerful tool for sampling from complex probability distributions. Despite its versatility, MCMC often suffers from strong autocorrelation and the negative sign problem, leading to slowing down the…

统计力学 · 物理学 2024-12-05 Synge Todo

Markov Chain Monte Carlo (MCMC) methods have become a cornerstone of many modern scientific analyses by providing a straightforward approach to numerically estimate uncertainties in the parameters of a model using a sequence of random…

其他统计学 · 统计学 2020-03-10 Joshua S. Speagle

Model checking verifies that a model of a system satisfies a given property, and otherwise produces a counter-example explaining the violation. The verified properties are formally expressed in temporal logics. Some temporal logics, such as…

计算机科学中的逻辑 · 计算机科学 2012-02-22 Simon Busard , Charles Pecheur

Markov chain Monte Carlo (MCMC) sampling is an important and commonly used tool for the analysis of hierarchical models. Nevertheless, practitioners generally have two options for MCMC: utilize existing software that generates a black-box…

We consider the problem of answering observational, interventional, and counterfactual queries in a causally sufficient setting where only observational data and the causal graph are available. Utilizing the recent developments in diffusion…

机器学习 · 统计学 2024-10-11 Patrick Chao , Patrick Blöbaum , Sapan Patel , Shiva Prasad Kasiviswanathan

Markov chains are one of the well-known tools for modeling and analyzing stochastic systems. At the same time, they are used for constructing random walks that can achieve a given stationary distribution. This paper is concerned with…

信息论 · 计算机科学 2025-01-07 Saber Jafarizadeh

Despite their strong performance on reasoning benchmarks, large language models (LLMs) have proven brittle when presented with counterfactual questions, suggesting weaknesses in their causal reasoning ability. While recent work has…

机器学习 · 计算机科学 2026-02-20 Victoria Lin , Xinnuo Xu , Rachel Lawrence , Risa Ueno , Amit Sharma , Javier Gonzalez , Niranjani Prasad

This article proposes a convenient tool for decoding the output of neural networks trained by Connectionist Temporal Classification (CTC) for handwritten text recognition. We use regular expressions to describe the complex structures…

神经与进化计算 · 计算机科学 2016-03-31 Tobias Strauß , Gundram Leifert , Tobias Grüning , Roger Labahn

As genomic scale datasets motivate research on species tree inference, simulators of the multispecies coalescent (MSC) process are essential for the testing and evaluation of new inference methods. However, the simulators themselves must be…

种群与进化 · 定量生物学 2019-08-06 Elizabeth S. Allman , Hector Baños , John A. Rhodes

Recent work has explored transforming data sets into smaller, approximate summaries in order to scale Bayesian inference. We examine a related problem in which the parameters of a Bayesian model are very large and expensive to store in…

机器学习 · 计算机科学 2018-10-03 Joseph Tassarotti , Jean-Baptiste Tristan , Michael Wick

We initiate the study of counting Markov Equivalence Classes (MEC) under logical constraints. MECs are equivalence classes of Directed Acyclic Graphs (DAGs) that encode the same conditional independence structure among the random variables…

计算机科学中的逻辑 · 计算机科学 2024-05-24 Davide Bizzaro , Luciano Serafini , Sagar Malhotra

A Python package for the analysis of dark-field X-ray microscopy (DFXM) and rocking curve imaging (RCI) data is presented. \textit{darfix} provides a set of data processing and visualization tools that can be either imported as library…

Recent text generation models are easy to generate relevant and fluent text for the given text, while lack of causal reasoning ability when we change some parts of the given text. Counterfactual story rewriting is a recently proposed task…

计算与语言 · 计算机科学 2021-04-05 Changying Hao , Liang Pang , Yanyan Lan , Yan Wang , Jiafeng Guo , Xueqi Cheng

Markov chain Monte Carlo (MCMC) algorithms are based on the construction of a Markov chain with transition probabilities leaving invariant a probability distribution of interest. In this work, we look at these transition probabilities as…

概率论 · 数学 2024-10-01 Rocco Caprio , Adam M. Johansen

We consider an extension of Discrete Time Markov Chain queueing model to the quantum domain by use of Discrete Time Quantum Markov Chain. We introduce methods for numerical analysis of such models. Using this tools we show that quantum…

量子物理 · 物理学 2013-06-26 Piotr Gawron , Dariusz Kurzyk , Zbigniew Puchała

Counterexample generation is an indispensable part of model checking process. In stochastic model checking, counterexample generation is a challenging problem as it is not enough to find a single trace that violates the given property.…

计算机科学中的逻辑 · 计算机科学 2022-07-13 Mohammad Ahmadi , Zhen Zhang , Chris Myers , Chris Winstead , Hao Zheng

Verification of real-time systems involving hard timing constraints and concurrency is of utmost importance. Parametric timed model checking allows for formal verification in the presence of unknown timing constants or uncertainty (e.g.…

计算机科学中的逻辑 · 计算机科学 2019-07-31 André Étienne