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Gaussian modeling with B-splines for spatial functional data on irregular domains 利用 B 样条对不规则域上的空间函数数据进行高斯建模
IF 1.9 4区 数学
Statistics Pub Date : 2024-09-13 DOI: 10.1080/02331888.2024.2402069
Alvaro Alexander Burbano-Moreno, Vinícius Diniz Mayrink
{"title":"Gaussian modeling with B-splines for spatial functional data on irregular domains","authors":"Alvaro Alexander Burbano-Moreno, Vinícius Diniz Mayrink","doi":"10.1080/02331888.2024.2402069","DOIUrl":"https://doi.org/10.1080/02331888.2024.2402069","url":null,"abstract":"Functional Data Analysis (FDA) has emerged as a powerful framework for datasets that exhibit continuous variation over specified intervals. Unlike traditional methods, FDA treats data as functions,...","PeriodicalId":54358,"journal":{"name":"Statistics","volume":"200 1","pages":""},"PeriodicalIF":1.9,"publicationDate":"2024-09-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142249889","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"数学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Explainable machine learning for financial risk management: two practical use cases 用于金融风险管理的可解释机器学习：两个实际应用案例
IF 1.9 4区 数学
Statistics Pub Date : 2024-09-13 DOI: 10.1080/02331888.2024.2401078
Angelo Famà, Jurgena Myftiu, Paolo Pagnottoni, Alessandro Spelta
{"title":"Explainable machine learning for financial risk management: two practical use cases","authors":"Angelo Famà, Jurgena Myftiu, Paolo Pagnottoni, Alessandro Spelta","doi":"10.1080/02331888.2024.2401078","DOIUrl":"https://doi.org/10.1080/02331888.2024.2401078","url":null,"abstract":"We explore the potential of machine learning (ML) models applied in two financial risk management areas, i.e., credit risk management and financial risk hedging, through two practical use cases. Th...","PeriodicalId":54358,"journal":{"name":"Statistics","volume":"186 1","pages":""},"PeriodicalIF":1.9,"publicationDate":"2024-09-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142249891","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"数学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Robust estimator of the ruin probability in infinite time for heavy-tailed distributions 重尾分布无限时间内毁坏概率的稳健估算器
IF 1.9 4区 数学
Statistics Pub Date : 2024-09-13 DOI: 10.1080/02331888.2024.2402497
El Hadji Deme, Yousri Slaoui, Modou Kebe, Solym Manou-Abi
{"title":"Robust estimator of the ruin probability in infinite time for heavy-tailed distributions","authors":"El Hadji Deme, Yousri Slaoui, Modou Kebe, Solym Manou-Abi","doi":"10.1080/02331888.2024.2402497","DOIUrl":"https://doi.org/10.1080/02331888.2024.2402497","url":null,"abstract":"The probability of ruin of an insurance company is one of the main risk measures considered in risk theory, and the problems of its calculation and approximation have attracted much attention. Stat...","PeriodicalId":54358,"journal":{"name":"Statistics","volume":"52 1","pages":""},"PeriodicalIF":1.9,"publicationDate":"2024-09-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142249888","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"数学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A note on the asymptotic behavior of a mildly unstable integer-valued AR(1) model 关于轻度不稳定整数值 AR(1) 模型渐近行为的说明
IF 1.9 4区 数学
Statistics Pub Date : 2024-09-13 DOI: 10.1080/02331888.2024.2400185
Ling Peng, Shujin Xie, Xiaohui Liu, Fukang Zhu
{"title":"A note on the asymptotic behavior of a mildly unstable integer-valued AR(1) model","authors":"Ling Peng, Shujin Xie, Xiaohui Liu, Fukang Zhu","doi":"10.1080/02331888.2024.2400185","DOIUrl":"https://doi.org/10.1080/02331888.2024.2400185","url":null,"abstract":"This note examines the conditional least squares (CLS) estimators for integer-valued autoregressive (INAR) models, with a focus on the INAR(1) model. Our investigation reveals that the joint limiti...","PeriodicalId":54358,"journal":{"name":"Statistics","volume":"5 1","pages":""},"PeriodicalIF":1.9,"publicationDate":"2024-09-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142249890","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"数学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Online updating Huber robust regression for big data streams 大数据流的在线更新休伯稳健回归
IF 1.9 4区 数学
Statistics Pub Date : 2024-09-02 DOI: 10.1080/02331888.2024.2398057
Chunbai Tao, Shanshan Wang
{"title":"Online updating Huber robust regression for big data streams","authors":"Chunbai Tao, Shanshan Wang","doi":"10.1080/02331888.2024.2398057","DOIUrl":"https://doi.org/10.1080/02331888.2024.2398057","url":null,"abstract":"Big data streams have garnered significant attention in multiple industries. However, the immense volume and the presence of outliers in high-velocity streaming data pose great challenges to its an...","PeriodicalId":54358,"journal":{"name":"Statistics","volume":"8 1","pages":""},"PeriodicalIF":1.9,"publicationDate":"2024-09-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142192185","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"数学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Rank-based correlation matrix estimation for high dimensional microbiome data 针对高维微生物组数据的基于等级的相关矩阵估计
IF 1.9 4区 数学
Statistics Pub Date : 2024-08-29 DOI: 10.1080/02331888.2024.2396023
Jiyang Wang, Wanfeng Liang, Lijie Li, Feng Zou
{"title":"Rank-based correlation matrix estimation for high dimensional microbiome data","authors":"Jiyang Wang, Wanfeng Liang, Lijie Li, Feng Zou","doi":"10.1080/02331888.2024.2396023","DOIUrl":"https://doi.org/10.1080/02331888.2024.2396023","url":null,"abstract":"In recent years, the progress made in high-throughout sequencing techniques supports the analysis of microbial communities greatly. The fact that real-world microbiome data lie in a high-dimensiona...","PeriodicalId":54358,"journal":{"name":"Statistics","volume":"5 1","pages":""},"PeriodicalIF":1.9,"publicationDate":"2024-08-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142192186","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"数学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Nonparametric statistical inference for compound models 复合模型的非参数统计推断
IF 1.9 4区 数学
Statistics Pub Date : 2024-08-21 DOI: 10.1080/02331888.2024.2382726
Denis Belomestny, Ekaterina Morozova, Vladimir Panov
{"title":"Nonparametric statistical inference for compound models","authors":"Denis Belomestny, Ekaterina Morozova, Vladimir Panov","doi":"10.1080/02331888.2024.2382726","DOIUrl":"https://doi.org/10.1080/02331888.2024.2382726","url":null,"abstract":"This paper deals with the statistical inference in compound models, which are defined as a sum of i.i.d. random variables ξ1+⋯+ξN, where the number of summands, N, is a random variable independent ...","PeriodicalId":54358,"journal":{"name":"Statistics","volume":"44 1","pages":""},"PeriodicalIF":1.9,"publicationDate":"2024-08-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142192188","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"数学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Identifying a class of Ridge-type estimators in binary logistic regression models 识别二元逻辑回归模型中的一类岭型估计器
IF 1.9 4区 数学
Statistics Pub Date : 2024-08-19 DOI: 10.1080/02331888.2024.2392771
Esra Ertan, Kadri Ulaş Akay
{"title":"Identifying a class of Ridge-type estimators in binary logistic regression models","authors":"Esra Ertan, Kadri Ulaş Akay","doi":"10.1080/02331888.2024.2392771","DOIUrl":"https://doi.org/10.1080/02331888.2024.2392771","url":null,"abstract":"In the analysis of logistic regression models, various biased estimators have been proposed as an alternative to the maximum likelihood estimator (MLE) for estimating model parameters in the presen...","PeriodicalId":54358,"journal":{"name":"Statistics","volume":"35 1","pages":""},"PeriodicalIF":1.9,"publicationDate":"2024-08-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142192189","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"数学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Inference on the common mean direction of several Fisher-von Mises-Langevin populations with unknown concentration parameters 推断具有未知浓度参数的若干费雪-冯-米塞斯-朗格文群体的共同平均方向
IF 1.9 4区 数学
Statistics Pub Date : 2024-08-14 DOI: 10.1080/02331888.2024.2391416
Shreyashi Basak, Paavo Sattler, Somesh Kumar
{"title":"Inference on the common mean direction of several Fisher-von Mises-Langevin populations with unknown concentration parameters","authors":"Shreyashi Basak, Paavo Sattler, Somesh Kumar","doi":"10.1080/02331888.2024.2391416","DOIUrl":"https://doi.org/10.1080/02331888.2024.2391416","url":null,"abstract":"The problem of combining information from several samples for estimating or testing a common mean for normal populations has been extensively studied in the statistical literature. In this paper, w...","PeriodicalId":54358,"journal":{"name":"Statistics","volume":"143 1","pages":""},"PeriodicalIF":1.9,"publicationDate":"2024-08-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142192190","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"数学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The application of Bayesian inference under SAFE model 贝叶斯推理在 SAFE 模型中的应用
IF 1.9 4区 数学
Statistics Pub Date : 2024-08-14 DOI: 10.1080/02331888.2024.2391402
Lunshuai Wu
{"title":"The application of Bayesian inference under SAFE model","authors":"Lunshuai Wu","doi":"10.1080/02331888.2024.2391402","DOIUrl":"https://doi.org/10.1080/02331888.2024.2391402","url":null,"abstract":"This paper responds to Professor Paolo Giudici's call for papers in ‘Safe Machine Learning’ and explores the application of Bayesian inference within the SAFE model framework, aiming to enhance the...","PeriodicalId":54358,"journal":{"name":"Statistics","volume":"6 1","pages":""},"PeriodicalIF":1.9,"publicationDate":"2024-08-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142192191","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"数学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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