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In the realm of large-scale spatiotemporal data, abrupt changes are commonly occurring across both spatial and temporal domains. This study aims to address the concurrent challenges of detecting change points and identifying spatial…

统计方法学 · 统计学 2025-05-05 Zerui Zhang , Xin Wang , Xin Zhang , Jing Zhang

We aim to develop a time series modeling methodology tailored to high-dimensional environments, addressing two critical challenges: variable selection from a large pool of candidates, and the detection of structural break points, where the…

计量经济学 · 经济学 2025-04-15 Angelo Milfont , Alvaro Veiga

The study focuses on improving the ex ante prediction accuracy assessment in the case of forecasting various house price dispersion measures in the USA. It addresses a critical gap in real estate market forecasting by proposing a novel…

Identifying breakpoints in piecewise regression is critical in enhancing the reliability and interpretability of data fitting. In this paper, we propose novel algorithms based on the greedy algorithm to accurately and efficiently identify…

机器学习 · 统计学 2026-04-14 Taehyeong Kim , Hyungu Lee , Myungjin Kim , Hayoung Choi

Methods for detecting structural changes, or change points, in time series data are widely used in many fields of science and engineering. This chapter sketches some basic methods for the analysis of structural changes in time series data.…

统计金融 · 定量金融 2018-08-28 Christian Kleiber

Structural transformation, the shift from agrarian economies to more diversified industrial and service-based systems, is a key driver of economic development. However, in low- and middle-income countries (LMICs), data scarcity and…

应用统计 · 统计学 2025-10-02 Ronald Katende

Correlations between random variables play an important role in applications, e.g.\ in financial analysis. More precisely, accurate estimates of the correlation between financial returns are crucial in portfolio management. In particular,…

统计方法学 · 统计学 2014-01-31 Pedro Galeano , Dominik Wied

Much research in systemic risk is focused on default contagion. While this demands an understanding of valuation, fewer articles specifically deal with the existence, the uniqueness, and the computation of equilibrium prices in structural…

计算金融 · 定量金融 2015-01-30 Johannes Hain , Tom Fischer

We propose an approach for learning the causal structure in stochastic dynamical systems with a $1$-step functional dependency in the presence of latent variables. We propose an information-theoretic approach that allows us to recover the…

信息论 · 计算机科学 2017-01-25 Saber Salehkaleybar , Jalal Etesami , Negar Kiyavash

We address the problem of merging graph and feature-space information while learning a metric from structured data. Existing algorithms tackle the problem in an asymmetric way, by either extracting vectorized summaries of the graph…

机器学习 · 计算机科学 2020-02-17 Nicolo Colombo

The discovery of structure from time series data is a key problem in fields of study working with complex systems. Most identifiability results and learning algorithms assume the underlying dynamics to be discrete in time. Comparatively…

机器学习 · 统计学 2022-02-04 Alexis Bellot , Kim Branson , Mihaela van der Schaar

We introduce a comprehensive and statistical framework in a model free setting for a complete treatment of localized data corruptions due to severe noise sources, e.g., an occluder in the case of a visual recording. Within this framework,…

机器学习 · 计算机科学 2014-10-02 Huseyin Ozkan , Ozgun S. Pelvan , Suleyman S. Kozat

We study the problem of identifying the unknown intervention targets in structural causal models where we have access to heterogeneous data collected from multiple environments. The unknown intervention targets are the set of endogenous…

机器学习 · 计算机科学 2024-03-12 Yuqin Yang , Saber Salehkaleybar , Negar Kiyavash

Spatially embedded networks are shaped by a combination of purely topological (space-independent) and space-dependent formation rules. While it is quite easy to artificially generate networks where the relative importance of these two…

物理与社会 · 物理学 2013-09-10 Franco Ruzzenenti , Francesco Picciolo , Riccardo Basosi , Diego Garlaschelli

Spatial econometric research typically relies on the assumption that the spatial dependence structure is known in advance and is represented by a deterministic spatial weights matrix. Contrary to classical approaches, we investigate the…

统计计算 · 统计学 2023-10-24 Miryam S. Merk , Philipp Otto

Heterogeneity of many building materials complicates numerical modelling of structural behaviour. The material randomicity can be manifested by different values of material parameters of each material specimen. To capture inherent…

计算工程、金融与科学 · 计算机科学 2026-02-17 Eliška Kočková , Anna Kučerová

Understanding how housing prices respond to spatial accessibility, structural attributes, and typological distinctions is central to contemporary urban research and policy. In cities marked by affordability stress and market segmentation,…

应用统计 · 统计学 2025-06-12 Alvaro Garcia Murga , Manuele Leonelli

In multicenter research, individual-level data are often protected against sharing across sites. To overcome the barrier of data sharing, many distributed algorithms, which only require sharing aggregated information, have been developed.…

统计方法学 · 统计学 2021-03-25 Rui Duan , Yang Ning , Yong Chen

Compositional data, such as regional shares of economic sectors or property transactions, are central to understanding structural change in economic systems across space and time. This paper introduces a spatiotemporal multivariate…

应用统计 · 统计学 2026-03-16 Matthias Eckardt , Philipp Otto

Spatial prediction refers to the estimation of unobserved values from spatially distributed observations. Although recent advances have improved the capacity to model diverse observation types, adoption in practice remains limited in…

机器学习 · 统计学 2025-10-10 Yuta Shikuri , Hironori Fujisawa