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相关论文: A Posteriori Risk Classification and Ratemaking wi…

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This paper evaluates Machine Learning (ML) in establishing ratemaking for new insurance schemes. To make the evaluation feasible, we established expected indemnities as premiums. Then, we use ML to forecast indemnities using a minimum set…

综合经济学 · 经济学 2022-12-20 Luigi Biagini

Maximum likelihood or restricted maximum likelihood (REML) estimates of the parameters in linear mixed-effects models can be determined using the lmer function in the lme4 package for R. As for most model-fitting functions in R, the model…

统计计算 · 统计学 2014-06-24 Douglas Bates , Martin Mächler , Ben Bolker , Steve Walker

The prediction of future insurance claims based on observed risk factors, or covariates, help the actuary set insurance premiums. Typically, actuaries use parametric regression models to predict claims based on the covariate information.…

统计方法学 · 统计学 2026-04-14 Mostafa Shams Esfand Abadi , Kaushik Ghosh

This paper aims to better predict highly skewed auto insurance claims by combining candidate predictions. We analyze a version of the Kangaroo Auto Insurance company data and study the effects of combining different methods using five…

应用统计 · 统计学 2022-04-11 Chenglong Ye , Lin Zhang , Mingxuan Han , Yanjia Yu , Bingxin Zhao , Yuhong Yang

Insurance products frequently cover significant claims arising from a variety of sources. To model losses from these products accurately, actuarial models must account for high-severity claims. A widely used strategy is to apply a mixture…

统计方法学 · 统计学 2025-04-30 Sébastien Jessup , Mélina Mailhot , Mathieu Pigeon

Variable selection is an old and pervasive problem in regression analysis. One solution is to impose a lasso penalty to shrink parameter estimates toward zero and perform continuous model selection. The lasso-penalized mixture of linear…

应用统计 · 统计学 2016-05-04 Luke R. Lloyd-Jones , Hien D. Nguyen , Geoffrey J. McLachlan

This paper is concerned with the selection and estimation of fixed and random effects in linear mixed effects models. We propose a class of nonconcave penalized profile likelihood methods for selecting and estimating important fixed…

统计理论 · 数学 2012-11-05 Yingying Fan , Runze Li

Generalized linear models, such as logistic regression, are widely used to model the association between a treatment and a binary outcome as a function of baseline covariates. However, the coefficients of a logistic regression model…

统计方法学 · 统计学 2022-01-04 Jiaqi Yin , Sonia Markes , Thomas S. Richardson , Linbo Wang

This paper discusses the revenue management (RM) problem to maximize revenue by pricing items or services. One challenge in this problem is that the demand distribution is unknown and varies over time in real applications such as airline…

机器学习 · 计算机科学 2024-05-09 Kazuma Shimizu , Junya Honda , Shinji Ito , Shinji Nakadai

Estimating the predictive uncertainty of a Bayesian learning model is critical in various decision-making problems, e.g., reinforcement learning, detecting adversarial attack, self-driving car. As the model posterior is almost always…

机器学习 · 计算机科学 2021-02-16 Yufei Cui , Wuguannan Yao , Qiao Li , Antoni B. Chan , Chun Jason Xue

In general insurance, risks from different categories are often modeled independently and their sum is regarded as the total risk the insurer takes on in exchange for a premium. The dependence from multiple risks is generally neglected even…

应用统计 · 统计学 2019-04-10 Sen Hu , T Brendan Murphy , Adrian O'Hagan

This article introduces a k-Inflated Negative Binomial mixture distribution/regression model as a more flexible alternative to zero-inflated Poisson distribution/regression model. An EM algorithm has been employed to estimate the model's…

统计方法学 · 统计学 2017-01-20 Amir T. Payandeh Najafabadi , Saeed MohammadPour

Bonus-Malus Systems traditionally consider a customer's number of claims irrespective of their sizes, even though these components are dependent in practice. We propose a novel joint experience rating approach based on latent Markovian risk…

应用统计 · 统计学 2022-10-10 Robert Matthijs Verschuren

We introduce a new approach to a linear-circular regression problem that relates multiple linear predictors to a circular response. We follow a modeling approach of a wrapped normal distribution that describes angular variables and angular…

统计方法学 · 统计学 2019-09-17 Ali Esmaieeli Sikaroudi , Chiwoo Park

We present an analytical study of an insurance company. We model the company's performance on a statistical basis and evaluate the predicted annual income of the company in terms of insurance parameters namely the premium, total number of…

统计力学 · 物理学 2008-12-10 M. Ebrahim Fouladvand , Amir H. Darooneh

Within the statistical and machine learning literature, regularization techniques are often used to construct sparse (predictive) models. Most regularization strategies only work for data where all predictors are treated identically, such…

统计计算 · 统计学 2020-12-16 Sander Devriendt , Katrien Antonio , Tom Reynkens , Roel Verbelen

Accidental damage is a typical component of motor insurance claim. Modeling of this nature generally involves analysis of past claim history and different characteristics of the insured objects and the policyholders. Generalized linear…

应用统计 · 统计学 2017-10-11 Sen Hu , Adrian O'Hagan , Thomas Brendan Murphy

Advanced classification algorithms are being increasingly used in safety-critical applications like health-care, engineering, etc. In such applications, miss-classifications made by ML algorithms can result in substantial financial or…

机器学习 · 计算机科学 2024-12-06 Disha Ghandwani , Neeraj Sarna , Yuanyuan Li , Yang Lin

Traditional insurance pricing relies on risk-based principles that ensure actuarial fairness and solvency but do not explicitly account for policyholders' price sensitivity. We formulate insurance pricing as a decision-making problem and…

机器学习 · 统计学 2026-05-29 Sascha Günther , Dimitri Semenovich , Mario V. Wüthrich

We propose a new approach to mixed-frequency regressions in a high-dimensional environment that resorts to Group Lasso penalization and Bayesian techniques for estimation and inference. In particular, to improve the prediction properties of…

计量经济学 · 经济学 2020-06-12 Matteo Mogliani , Anna Simoni