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Earthquake aftershock identification is closely related to the question "Are aftershocks different from the rest of earthquakes?" We give a positive answer to this question and introduce a general statistical procedure for clustering…

地球物理 · 物理学 2010-03-01 Ilya Zaliapin , Andrei Gabrielov , Vladimir Keilis-Borok , Henry Wong

Time-to-event models are commonly used to study associations between risk factors and disease outcomes in the setting of electronic health records (EHR). In recent years, focus has intensified on social determinants of health, highlighting…

应用统计 · 统计学 2025-11-26 Yueming Shen , Christian Pean , David Dunson , Samuel Berchuck

Path sampling approaches have become invaluable tools to explore the mechanisms and dynamics of so-called rare events that are characterized by transitions between metastable states separated by sizeable free energy barriers. Their…

统计力学 · 物理学 2022-06-08 Steven W. Hall , Grisell Díaz Leines , Sapna Sarupria , Jutta Rogal

The forecast on a time scale of 1 or 2 hours is crucial for all kind of new generation facilities (ELTs) instrumentation supported by the adaptive optics that will be mainly operated in Service Mode. In a recent study (Masciadri et al.…

天体物理仪器与方法 · 物理学 2023-08-08 Elena Masciadri , Alessio Turchi , Luca Fini

We proposed a new generalized model based on the classical Hawkes process with environmental multipliers, which is called an environmentally-adaptive Hawkes (EAH) model. Compared to the classical self-exciting Hawkes process, the EAH model…

应用统计 · 统计学 2021-01-26 Tingnan Gong , Yu Chen , Weiping Zhang

The operation-planning of satellites, aimed at introducing a certain level of supervised automation during the execution of the operations, poses a great challenge to both designers and operators. From one side, the routine operations for…

天体物理仪器与方法 · 物理学 2023-02-07 J. Pergoli , T. Cesari , M. Maestrini , P. Di Lizia , P. Luciano Losco

Large language models (LLMs) benefit from test-time scaling but are often hampered by high inference latency. Speculative decoding is a natural way to accelerate the scaling process; however, scaling along both the parallel and sequential…

Expected Shortfall (ES), also known as superquantile or Conditional Value-at-Risk, has been recognized as an important measure in risk analysis and stochastic optimization, and is also finding applications beyond these areas. In finance, it…

统计方法学 · 统计学 2022-12-13 Xuming He , Kean Ming Tan , Wen-Xin Zhou

We introduce a new method for forecasting emergency call arrival rates that combines integer-valued time series models with a dynamic latent factor structure. Covariate information is captured via simple constraints on the factor loadings.…

应用统计 · 统计学 2011-07-26 David S. Matteson , Mathew W. McLean , Dawn B. Woodard , Shane G. Henderson

In the last decade Hawkes processes have received much attention as models for functional connectivity in neural spiking networks and other dynamical systems with a cascade behavior. In this paper we establish a renewal approach for…

概率论 · 数学 2019-06-11 Mads Bonde Raad

The Tracking Ultraviolet Set-up (TUS) is the world's first orbital imaging detector of Ultra High Energy Cosmic Rays (UHECR) and it operated in 2016-2017 as part of the scientific equipment of the Lomonosov satellite. The TUS was developed…

天体物理仪器与方法 · 物理学 2021-08-11 S. Sharakin , O. I. Ruiz Hernandez

Expected Shortfall (ES) is a coherent measure of tail risk that captures the average loss beyond a quantile threshold. Despite the growing literature on ES regression conditional on covariates, no existing work considers ES modeling in…

统计方法学 · 统计学 2026-04-15 Yujie Hou , Xinbing Kong , Yalin Wang , Bin Wu

Distribution system integrated community microgrids (CMGs) can partake in restoring loads during extended duration outages. At such times, the CMG is challenged with limited resource availability, absence of robust grid support, and…

系统与控制 · 电气工程与系统科学 2022-02-11 Ashwin Shirsat , Valliappan Muthukaruppan , Rongxing Hu , Victor Paduani , Bei Xu , Lidong Song , Yiyan Li , Ning Lu , Mesut Baran , David Lubkeman , Wenyuan Tang

For earthquake-resistant design, engineering seismologists employ time-history analysis for nonlinear simulations. The nonstationary stochastic method previously developed by Pousse et al. (2006) has been updated. This method has the…

应用统计 · 统计学 2012-12-18 Aurore Laurendeau , Fabrice Cotton , Luis Fabian Bonilla

Forecast reconciliation is a post-forecasting process aimed to improve the quality of the base forecasts for a system of hierarchical/grouped time series (Hyndman et al., 2011). Contemporaneous (cross-sectional) and temporal hierarchies…

统计方法学 · 统计学 2023-10-30 Tommaso Di Fonzo , Daniele Girolimetto

The 29 July 2025 Kamchatka earthquake, of magnitude M8.8 in the Kamchatka-Kuril subduction system, provides a unique opportunity to investigate the preparatory processes of a great subduction event. Despite Kamchatka's high seismic…

地球物理 · 物理学 2026-02-20 K. Z. Nanjo , J. Yazbeck , I. T. Baughman , J. B. Rundle

Time-series forecasting is a critical challenge in various domains and has witnessed substantial progress in recent years. Many real-life scenarios, such as public health, economics, and social applications, involve feedback loops where…

机器学习 · 计算机科学 2025-06-04 Zhiyuan Zhao , Haoxin Liu , Alexander Rodriguez , B. Aditya Prakash

How can one perform Bayesian inference on stochastic simulators with intractable likelihoods? A recent approach is to learn the posterior from adaptively proposed simulations using neural network-based conditional density estimators.…

机器学习 · 计算机科学 2019-05-21 David S. Greenberg , Marcel Nonnenmacher , Jakob H. Macke

Reading is a process that unfolds across space and time, alternating between fixations where a reader focuses on a specific point in space, and saccades where a reader rapidly shifts their focus to a new point. An ansatz of…

机器学习 · 计算机科学 2025-06-26 Francesco Ignazio Re , Andreas Opedal , Glib Manaiev , Mario Giulianelli , Ryan Cotterell

We develop a spatio-temporal model to forecast sensor output at five locations in North East England. The signal is described using coupled dynamic linear models, with spatial effects specified by a Gaussian process. Data streams are…

应用统计 · 统计学 2018-06-15 Yingying Lai , Andrew Golightly , Richard Boys