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Showing 41-60 of 4,752 results
  1. A dynamic network model to measure exposure concentration in the Austrian interbank market

    Motivated by an original financial network dataset, we develop a statistical methodology to study non-negatively weighted temporal networks. We focus...

    Juraj Hledik, Riccardo Rastelli in Statistical Methods & Applications
    Article Open access 21 June 2023
  2. Parametric quantile autoregressive moving average models with exogenous terms

    Parametric autoregressive moving average models with exogenous terms (ARMAX) have been widely used in the literature. Usually, these models consider...

    Alan Dasilva, Helton Saulo, ... Suvra Pal in Statistical Papers
    Article 19 June 2023
  3. Assessing Ecosystem State Space Models: Identifiability and Estimation

    Hierarchical probability models are being used more often than non-hierarchical deterministic process models in environmental prediction and...

    J. W. Smith Jr., L. R. Johnson, R. Q. Thomas in Journal of Agricultural, Biological and Environmental Statistics
    Article Open access 09 March 2023
  4. Exploring local explanations of nonlinear models using animated linear projections

    The increased predictive power of machine learning models comes at the cost of increased complexity and loss of interpretability, particularly in...

    Nicholas Spyrison, Dianne Cook, Przemyslaw Biecek in Computational Statistics
    Article Open access 31 January 2024
  5. Multi-step estimators and shrinkage effect in time series models

    Many modern statistical models are used for both insight and prediction when applied to data. When models are used for prediction one should optimise...

    Ivan Svetunkov, Nikolaos Kourentzes, Rebecca Killick in Computational Statistics
    Article Open access 24 June 2023
  6. Modeling Structural Breaks in Disturbances Precision or Autoregressive Parameter in Dynamic Model: A Bayesian Approach

    The focus of this paper is the examination of dynamic models in the presence of structural changes either due to disturbances precision or...

    Arvind Shrivastava, Anoop Chaturvedi, Aradhana Srivastava in Journal of the Indian Society for Probability and Statistics
    Article 01 April 2022
  7. Modeling Complex Species-Environment Relationships Through Spatially-Varying Coefficient Occupancy Models

    Occupancy models are frequently used by ecologists to quantify spatial variation in species distributions while accounting for observational biases...

    Jeffrey W. Doser, Andrew O. Finley, ... Elise F. Zipkin in Journal of Agricultural, Biological and Environmental Statistics
    Article 18 January 2024
  8. Inference for Quasi-reaction Models with Covariate-Dependent Rates

    Statistical models of quasi-reaction systems are typically described by constant reaction rates. This assumption is too restrictive in many...
    Matteo Framba, Veronica Vinciotti, Ernst C. Wit in Developments in Statistical Modelling
    Conference paper 2024
  9. Dynamic Copulas for Monotonic Dependence Change in Time Series

    A particular class of dynamic bivariate copulas, monotonically increasing or decreasing, is studied for modeling dependence in a time series. As...

    Antoine Bergeron, Pierre Dutilleul, ... Taoufik Bouezmarni in Sankhya B
    Article 11 May 2022
  10. A copula formulation for multivariate latent Markov models

    We specify a general formulation for multivariate latent Markov models for panel data, where outcomes are possibly of mixed-type (categorical,...

    Alfonso Russo, Alessio Farcomeni in TEST
    Article Open access 07 February 2024
  11. Identification of canonical models for vectors of time series: a subspace approach

    We propose a new method to specify linear models for vectors of time series with some convenient properties. First, it provides a unified modeling...

    Alfredo Garcia-Hiernaux, Jose Casals, Miguel Jerez in Statistical Papers
    Article Open access 26 May 2023
  12. Variable Selection for Hidden Markov Models with Continuous Variables and Missing Data

    We propose a variable selection method for multivariate hidden Markov models with continuous responses that are partially or completely missing at a...

    Fulvia Pennoni, Francesco Bartolucci, Silvia Pandolfi in Journal of Classification
    Article Open access 23 January 2024
  13. Pairwise Markov Models and Hybrid Segmentation Approach

    The article studies segmentation problem (also known as classification problem) with pairwise Markov models (PMMs). A PMM is a process where the...

    Kristi Kuljus, Jüri Lember in Methodology and Computing in Applied Probability
    Article Open access 10 June 2023
  14. Dynamic Models

    A graph or hypergraphHypergraph is a static representation of all possible interactions between nodes. However, due to these same interactions, the...
    Chapter 2020
  15. Linear models with time-varying parameters: a comparison of different approaches

    Estimation of linear models with time-varying parameters can be accomplished in a variety of ways, each making different assumptions, with varying...

    Riccardo “Jack” Lucchetti, Francesco Valentini in Computational Statistics
    Article Open access 30 January 2024
  16. Poisson degree corrected dynamic stochastic block model

    Stochastic Block Model (SBM) provides a statistical tool for modeling and clustering network data. In this paper, we propose an extension of this...

    Paul Riverain, Simon Fossier, Mohamed Nadif in Advances in Data Analysis and Classification
    Article 27 February 2022
  17. State Space Models and Markov Switching Models

    The state space methods or models provide a unified and flexible methodology and technology for handling a wide range of problems in time series...
    Chapter 2022
  18. Fair-DSP: Fair Dynamic Survival Prediction on Longitudinal Electronic Health Record

    Scarce medical resources and highly transmissible diseases may overwhelm healthcare infrastructure. Fair allocation based on disease progression and...
    **n Huang, **angyang Meng, ... Jianwu Wang in Big Data Analytics and Knowledge Discovery
    Conference paper 2023
  19. Bayesian Computations for Reliability Analysis in Dynamic Environments

    In this chapter, we consider systems operating under a dynamic environment that causes changes in the failure characteristics of the system. We...
    Chapter 2022
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