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High-dimensional functional time series (HDFTS) are often characterized by nonlinear trends and high spatial dimensions. Such data poses unique challenges for modeling and forecasting due to the nonlinearity, nonstationarity, and high…

Machine Learning · Statistics 2025-03-28 Haixu Wang , Jiguo Cao

In-hospital mortality (IHM) prediction for ICU patients is critical for timely interventions and efficient resource allocation. While structured physiological data provides quantitative insights, clinical notes offer unstructured,…

Computation and Language · Computer Science 2024-11-27 Harshavardhan Battula , Jiacheng Liu , Jaideep Srivastava

Electronic health records (EHR) are characterized as non-stationary, heterogeneous, noisy, and sparse data; therefore, it is challenging to learn the regularities or patterns inherent within them. In particular, sparseness caused mostly by…

Machine Learning · Computer Science 2020-03-03 Eunji Jun , Ahmad Wisnu Mulyadi , Jaehun Choi , Heung-Il Suk

High-frequency death counts are now widely available and contain timely information about intra-year mortality dynamics, but most stochastic mortality models are still estimated on annual data and therefore update only when annual totals…

Econometrics · Economics 2026-01-12 Runze Li , Rui Zhou , David Pitt

Continuous-time multi-state survival models can be used to describe health-related processes over time. In the presence of interval-censored times for transitions between the living states, the likelihood is constructed using transition…

Methodology · Statistics 2017-03-24 Robson J. M. Machado , Ardo van den Hout

This paper introduces HuLP, a Human-in-the-Loop for Prognosis model designed to enhance the reliability and interpretability of prognostic models in clinical contexts, especially when faced with the complexities of missing covariates and…

Computer Vision and Pattern Recognition · Computer Science 2024-07-10 Muhammad Ridzuan , Mai Kassem , Numan Saeed , Ikboljon Sobirov , Mohammad Yaqub

We propose a probabilistic mortality forecasting model that can be applied to derive forecasts for populations with regular and irregular mortality developments. Our model (1) uses rates of mortality improvement to model dynamic age…

Applications · Statistics 2014-01-14 Christina Bohk , Roland Rau

Good predictors of ICU Mortality have the potential to identify high-risk patients earlier, improve ICU resource allocation, or create more accurate population-level risk models. Machine learning practitioners typically make choices about…

Artificial Intelligence · Computer Science 2016-02-09 Harini Suresh

Cohort effects are important factors in determining the evolution of human mortality for certain countries. Extensions of dynamic mortality models with cohort features have been proposed in the literature to account for these factors under…

Statistical Finance · Quantitative Finance 2019-02-20 Man Chung Fung , Gareth W. Peters , Pavel V. Shevchenko

Survival analysis, which estimates the probability of event occurrence over time from censored data, is fundamental in numerous real-world applications, particularly in high-stakes domains such as healthcare and risk assessment. Despite…

Machine Learning · Computer Science 2025-05-26 Yu Liu , Weiyao Tao , Tong Xia , Simon Knight , Tingting Zhu

Remaining useful life (RUL) prediction is crucial for maintaining modern industrial systems, where equipment reliability and operational safety are paramount. Traditional methods, based on small-scale deep learning or physical/statistical…

Machine Learning · Computer Science 2024-10-07 Yan Chen , Cheng Liu

This study presents a framework for high-resolution mortality simulations tailored to insured and general populations. Due to the scarcity of detailed demographic-specific mortality data, we leverage Iterative Proportional Fitting (IPF) and…

Applications · Statistics 2025-04-18 Asmik Nalmpatian , Christian Heumann

Human Trajectory Forecasting (HTF) predicts future human movements from past trajectories and environmental context, with applications in Autonomous Driving, Smart Surveillance, and Human-Robot Interaction. While prior work has focused on…

Computer Vision and Pattern Recognition · Computer Science 2026-02-13 Manuel Hetzel , Kerim Turacan , Hannes Reichert , Konrad Doll , Bernhard Sick

Forecasting new cases, hospitalizations, and disease-induced deaths is an important part of infectious disease surveillance and helps guide health officials in implementing effective countermeasures. For disease surveillance in the U.S.,…

Physics and Society · Physics 2022-06-22 Nino Antulov-Fantulin , Lucas Böttcher

In this paper we explore the life expectancy limits by based on the stochastic modeling of mortality and applying the first exit or hitting time theory of a stochastic process. The main assumption is that the health state or the "vitality",…

Chaotic Dynamics · Physics 2011-01-11 Christos H Skiadas , Charilaos Skiadas

Hybrid methods have been shown to outperform pure statistical and pure deep learning methods at forecasting tasks and quantifying the associated uncertainty with those forecasts (prediction intervals). One example is Exponential Smoothing…

Machine Learning · Computer Science 2021-12-17 Thabang Mathonsi , Terence L. van Zyl

Demographic projections of future mortality rates involve a high level of uncertainty and require stochastic mortality models. The current paper investigates forward mortality models driven by a (possibly infinite dimensional) Wiener…

Probability · Mathematics 2025-11-21 Stefan Tappe , Stefan Weber

Undoubtedly, several countries worldwide endure to experience a continuous increase in life expectancy, extending the challenges of life actuaries and demographers in forecasting mortality. Although several stochastic mortality models have…

Applications · Statistics 2021-03-22 Mario Marino , Susanna Levantesi , Andrea Nigri

In model based development, embedded systems are modeled using a mix of dataflow formalism, that capture the flow of computation, and hierarchical state machines, that capture the modal behavior of the system. For safety analysis, existing…

Logic in Computer Science · Computer Science 2016-07-18 Pierre-Loïc Garoche , Temesghen Kahsai , Xavier Thirioux

We address the problem of forecasting high-dimensional functional time series through a two-fold dimension reduction procedure. The difficulty of forecasting high-dimensional functional time series lies in the curse of dimensionality. In…

Methodology · Statistics 2018-10-03 Yuan Gao , Han Lin Shang , Yanrong Yang
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