Research
On-device research index

arXiv research

A locally-built, LLM-digested index of recent arXiv papers in quant finance, geometry/topology, and statistical ML — keyword search served straight from SQLite on this machine.

168,657 papers · 148 categories

Trend · papers per month

3517021,0521,403 · Jun 202019922001200920172026
48 results for epidemiological models

The study examines methods to correct measurement error in nutritional epidemiology studies.

problem Measurement error in nutritional studies leads to biased and underconfident estimates.
method The article reviews various bias-correction models for exposure variables in nutritional epidemiology.
result Bias-correction methods are essential for accurate inference in nutritional studies.

SVI and GP surrogates improve calibration of ABMs in epidemiology.

problem Calibrating stochastic ABMs in epidemiology is computationally expensive.
method Stein Variational Inference (SVI) with Gaussian process (GP) surrogates.
result SVI maintains comparable predictive accuracy and calibration effectiveness to MCMC.

Efficiently calibrates epidemiological models using Bayesian optimization.

problem Calibration of complex epidemiological models is computationally expensive and challenging.
method Graybox Bayesian optimization scheme leveraging Gaussian processes and functional structure of compartmental models.
result Proposed methods achieve efficient calibration and improved performance compared to existing schemes.

Automates infectious disease policy-making via inference in epidemiological models.

problem Improving policy-making for infectious diseases during pandemics.
method Performing inference in existing epidemiological models using a probabilistic programming language.
result Automated inference leads to better disease progression outcomes and policy prescriptions.

TOO optimizes stochastic epidemiological models by finding both parameter settings and random seeds.

problem Calibrating stochastic epidemiological models to match empirical observations.
method Gaussian process surrogates and Thompson sampling for optimization.
result Produces actual trajectories consistent with ground truth.

Unified Bayesian-AI framework improves epidemiological risk prediction and uncertainty quantification.

problem Lack of calibrated uncertainty in machine learning models for epidemiology.
method Combines Bayesian prediction with Bayesian hyperparameter optimization using logistic regression and Gaussian-process Bayesian optimization.
result Unified Bayesian-AI framework provides reliable coverage and improved calibration, enhancing epidemiological decision making.

A framework detects nonlinear and interaction effects in epidemiological data with uncertainty quantification.

problem Lack of reliable inference for ML-discovered nonlinearities and interactions in epidemiological data.
method Combines Bayesian sparse regression, tree ensembles, and Shapley values.
result Valid uncertainty quantification for feature effects at the individual level.

ARF synthesizes epidemiological data to match original findings.

problem Synthetic data quality and privacy in epidemiology.
method Adversarial Random Forests (ARF) for efficient data synthesis.
result ARF-generated synthetic data consistently matches original epidemiological findings.

TMLE improves unbiased estimation in public health studies.

problem Improving unbiased estimation in observational studies.
method Targeted Maximum Likelihood Estimation (TMLE) integrates machine learning and statistical theory.
result TMLE has been adopted by researchers worldwide, especially outside the US.

Bayesian calibration speeds up ABM for pandemic modeling.

problem Calibrating stochastic ABMs for accurate pandemic predictions is computationally intensive.
method Random forest surrogate modeling for accelerated ABM evaluation.
result Improved predictive performance with random forest calibration compared to previous methods.

The process of contagiousness spread modelling is well-known in epidemiology. However, the application of spread modelling to banking market is quite recent. In this work, we present a system of ordinary differential equations, simulating data from the largest European banks. Then, an optimal control problem is formula…

2017-07-11abs ↗pdf ↗

EGDL predicts TB outbreaks with deep learning, integrating epidemiological models.

problem Predicting TB outbreaks with complex spatiotemporal dynamics.
method Modified MN-SIR model with Bayesian inference, deep neural networks.
result EGDL delivers robust and accurate TB outbreak predictions.

State-space models (SSMs) provide a flexible framework for modelling time-series data. Consequently, SSMs are ubiquitously applied in areas such as engineering, econometrics and epidemiology. In this paper we provide a fast approach for approximate Bayesian inference in SSMs using the tools of deep learning and variati…

2018-11-20abs ↗pdf ↗

WeatherFormer learns robust weather features from small datasets.

problem Modeling complex weather dynamics from limited data.
method Pretrained transformer encoder on large satellite dataset, with spatiotemporal encoding.
result State-of-the-art performance in county-level soybean yield prediction and influenza forecasting.

Epidemiology simulations have become a fundamental tool in the fight against the epidemics of various infectious diseases like AIDS and malaria. However, the complicated and stochastic nature of these simulators can mean their output is difficult to interpret, which reduces their usefulness to policymakers. In this pap…

2019-05-29abs ↗pdf ↗

A new method combines ANN and Laplace for fast Bayesian inference in ODE models.

problem Bayesian inference for ODE systems with non-analytical solutions is computationally expensive.
method Hybrid approach using ANN for tractable likelihood and Laplace approximation.
result Effective posterior inference with improved computational cost compared to traditional methods.

Neural likelihood approximates integer time series data efficiently.

problem Inference of parameters for integer-valued stochastic processes is challenging.
method Constructs a neural likelihood approximation for inference of parameters from time series data.
result Accurately approximates the true posterior with significant computational speed-ups.

Paper uses bond pricing and convexity adjustments to explain herd immunity paradox.

problem Early onset of herd immunity contradicts R value estimates from early stage growth.
method Utilizes Vasicek's bond pricing formula and de Finetti's Theorem approach.
result Reduces modeling discrepancy to simple convexity formulas.

The global crisis of 2008 provoked a heightened interest among scientists to study the phenomenon, its propagation and negative consequences. The process of modelling the spread of a virus is commonly used in epidemiology. Conceptually, the spread of a disease among a population is similar to the contagion process in e…

2018-12-17abs ↗pdf ↗

Method estimates parameters for disease spread models robustly.

problem Estimating parameters for disease spread models.
method Statistical Learning applied to Approximate Bayesian Computation.
result Qualitative properties of disease evolution can be assessed.

SIGMA prior enables federated learning for non-factorizable models.

problem Current FL methods assume conditional independence, limiting applicability to non-factorizable models.
method SIGMA prior approximates deep generative model to induce conditional independence structure.
result SIGMA prior expands FL applicability to fields requiring modeling dependencies.

The paper modifies interest rate models to better fit current economic conditions.

problem Current interest rate models do not accurately reflect the Fed's policy and market conditions.
method Proposes a modified Black-Karasinski model (Stochastic Verhulst model) for better economic environment representation.
result The Verhulst model's dynamics are well-suited for current economic conditions and Fed actions.

New model captures long-term memory effects in epidemic dynamics.

problem Identifying memory effects in disease progression and recovery.
method Physics-informed neural networks (PINN) with fractional SEIRD model.
result Fractional memory order αα improves predictive performance over classical models.

The paper develops methods to analyze sensitivity in stochastic models using surrogate models.

problem Quantifying the impact of input variability on stochastic simulators with randomness.
method The authors propose using generalized lambda models to emulate response distributions of stochastic simulators and estimate sensitivity indices.
result The proposed method can estimate sensitivity indices even with strong heteroskedasticity and small signal-to-noise ratio.

Unified model forecasts epidemics with spatial and temporal dynamics.

problem Limited accuracy in traditional models and lack of interpretability in deep learning models.
method CSTGNN integrates Spatio-Contact SIR model with Graph Neural Networks.
result Effective spatiotemporal epidemic forecasting with interpretability.