Pub Date : 2024-09-16DOI: 10.1080/03610918.2024.2399159
Gabriel Calvo, Carmen Armero, Luigi Spezia, Maria Grazia Pennino
Bayes factor, defined as the ratio of the marginal likelihood functions of two competing models, is the natural Bayesian procedure for model selection. Marginal likelihoods are usually computationa...
{"title":"Bayes factors for longitudinal model assessment via power posteriors","authors":"Gabriel Calvo, Carmen Armero, Luigi Spezia, Maria Grazia Pennino","doi":"10.1080/03610918.2024.2399159","DOIUrl":"https://doi.org/10.1080/03610918.2024.2399159","url":null,"abstract":"Bayes factor, defined as the ratio of the marginal likelihood functions of two competing models, is the natural Bayesian procedure for model selection. Marginal likelihoods are usually computationa...","PeriodicalId":55240,"journal":{"name":"Communications in Statistics-Simulation and Computation","volume":null,"pages":null},"PeriodicalIF":0.9,"publicationDate":"2024-09-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142259766","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}
Pub Date : 2024-09-16DOI: 10.1080/03610918.2024.2401437
R. Malekpour, T. Baghfalaki, M. Ganjali, A. Pourdarvish
This paper investigates the joint modeling of mixed ordinal and continuous longitudinal responses using a random effects model and applying a conditional approach. For the ordinal responses, a late...
{"title":"Joint modeling of mixed skewed longitudinal responses using convolution of normal and log-normal distributions: a Bayesian approach","authors":"R. Malekpour, T. Baghfalaki, M. Ganjali, A. Pourdarvish","doi":"10.1080/03610918.2024.2401437","DOIUrl":"https://doi.org/10.1080/03610918.2024.2401437","url":null,"abstract":"This paper investigates the joint modeling of mixed ordinal and continuous longitudinal responses using a random effects model and applying a conditional approach. For the ordinal responses, a late...","PeriodicalId":55240,"journal":{"name":"Communications in Statistics-Simulation and Computation","volume":null,"pages":null},"PeriodicalIF":0.9,"publicationDate":"2024-09-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142259724","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}
Pub Date : 2024-09-14DOI: 10.1080/03610918.2024.2397032
Christina Hoffman, Jakini Auset Kauba, Julie C. Reidy, Thomas Weighill
We introduce and study two new statistical models of ballot truncation – the process wherein voters neglect to rank every candidate during ranked choice voting (RCV). These models allow the incorpo...
{"title":"Statistical models of ballot truncation in ranked choice elections","authors":"Christina Hoffman, Jakini Auset Kauba, Julie C. Reidy, Thomas Weighill","doi":"10.1080/03610918.2024.2397032","DOIUrl":"https://doi.org/10.1080/03610918.2024.2397032","url":null,"abstract":"We introduce and study two new statistical models of ballot truncation – the process wherein voters neglect to rank every candidate during ranked choice voting (RCV). These models allow the incorpo...","PeriodicalId":55240,"journal":{"name":"Communications in Statistics-Simulation and Computation","volume":null,"pages":null},"PeriodicalIF":0.9,"publicationDate":"2024-09-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142259727","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}
Pub Date : 2024-09-13DOI: 10.1080/03610918.2024.2401443
Sajid Ali
The traditional time-between-events (TBE) control charts are developed in non-adaptive fashion assuming the Poisson process, where the TBE follows the exponential distribution. However, in many sit...
{"title":"Memory-type time-between-events charts using nonhomogeneous Poisson process","authors":"Sajid Ali","doi":"10.1080/03610918.2024.2401443","DOIUrl":"https://doi.org/10.1080/03610918.2024.2401443","url":null,"abstract":"The traditional time-between-events (TBE) control charts are developed in non-adaptive fashion assuming the Poisson process, where the TBE follows the exponential distribution. However, in many sit...","PeriodicalId":55240,"journal":{"name":"Communications in Statistics-Simulation and Computation","volume":null,"pages":null},"PeriodicalIF":0.9,"publicationDate":"2024-09-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142259725","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}
Pub Date : 2024-09-11DOI: 10.1080/03610918.2024.2391883
Harpreet Singh, Seng Huat Ong, Choung Min Ng, Kurunathan Ratnavelu
Patient arrivals at a hospital typically occur in clusters and the arrivals count data exhibits over-dispersion. To model these characteristics, the Lévy-type processes based on Poisson-stopped sum...
{"title":"Poisson-stopped sum Lévy-type processes with application to stochastic modeling of hospital arrivals","authors":"Harpreet Singh, Seng Huat Ong, Choung Min Ng, Kurunathan Ratnavelu","doi":"10.1080/03610918.2024.2391883","DOIUrl":"https://doi.org/10.1080/03610918.2024.2391883","url":null,"abstract":"Patient arrivals at a hospital typically occur in clusters and the arrivals count data exhibits over-dispersion. To model these characteristics, the Lévy-type processes based on Poisson-stopped sum...","PeriodicalId":55240,"journal":{"name":"Communications in Statistics-Simulation and Computation","volume":null,"pages":null},"PeriodicalIF":0.9,"publicationDate":"2024-09-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142259726","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}
Pub Date : 2024-09-05DOI: 10.1080/03610918.2024.2394571
Toh Kuan Wei, Nora Muda, Asyraf Nadia Mohd Yunus, Abdul Rahman Othman, Sonia Aïssa, Nor Aishah Ahad
Lognormal distribution is widely used in modeling of variety fields such as fields of sciences and technology, human medicines, linguistics, social sciences and economics and others. In this resear...
{"title":"Approximation of the lognormal distribution as a solution to the sum of lognormal variates","authors":"Toh Kuan Wei, Nora Muda, Asyraf Nadia Mohd Yunus, Abdul Rahman Othman, Sonia Aïssa, Nor Aishah Ahad","doi":"10.1080/03610918.2024.2394571","DOIUrl":"https://doi.org/10.1080/03610918.2024.2394571","url":null,"abstract":"Lognormal distribution is widely used in modeling of variety fields such as fields of sciences and technology, human medicines, linguistics, social sciences and economics and others. In this resear...","PeriodicalId":55240,"journal":{"name":"Communications in Statistics-Simulation and Computation","volume":null,"pages":null},"PeriodicalIF":0.9,"publicationDate":"2024-09-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142207896","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}
Pub Date : 2024-09-05DOI: 10.1080/03610918.2024.2397549
Salah Khardani, Hamdi Raïssi, Camila Villegas
In this paper, we study the estimation of Value-at-Risk (VaR) using GARCH models when the observed process is actually iid. Such an overfitting situation entails that the almost sure consistency of...
{"title":"GARCH based value-at-risk assessment when the observed process is iid","authors":"Salah Khardani, Hamdi Raïssi, Camila Villegas","doi":"10.1080/03610918.2024.2397549","DOIUrl":"https://doi.org/10.1080/03610918.2024.2397549","url":null,"abstract":"In this paper, we study the estimation of Value-at-Risk (VaR) using GARCH models when the observed process is actually iid. Such an overfitting situation entails that the almost sure consistency of...","PeriodicalId":55240,"journal":{"name":"Communications in Statistics-Simulation and Computation","volume":null,"pages":null},"PeriodicalIF":0.9,"publicationDate":"2024-09-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142269451","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}
Pub Date : 2024-09-04DOI: 10.1080/03610918.2024.2391871
Sirao Wang, Jiajuan Liang, Heng Peng, Huajun Ye
Hypothesis testing for the Weibull distribution always raises attention in the literature. It is challenging especially in small-sample scenarios. In this paper, we propose a new Kolmogorov-Smirnov...
{"title":"A new Kolmogorov-Smirnov test based on representative points in Weibull distributions","authors":"Sirao Wang, Jiajuan Liang, Heng Peng, Huajun Ye","doi":"10.1080/03610918.2024.2391871","DOIUrl":"https://doi.org/10.1080/03610918.2024.2391871","url":null,"abstract":"Hypothesis testing for the Weibull distribution always raises attention in the literature. It is challenging especially in small-sample scenarios. In this paper, we propose a new Kolmogorov-Smirnov...","PeriodicalId":55240,"journal":{"name":"Communications in Statistics-Simulation and Computation","volume":null,"pages":null},"PeriodicalIF":0.9,"publicationDate":"2024-09-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142259728","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}
Pub Date : 2024-09-02DOI: 10.1080/03610918.2024.2393691
Lili Liu, Lu Lin, Lei Liu
Interaction screening for high-dimensional data is a challenging issue, especially for the strongly correlated predictors. A new two-stage interaction screening procedure based on the projected dis...
{"title":"Interaction screening in high-dimensional multi-response regression via projected distance correlation","authors":"Lili Liu, Lu Lin, Lei Liu","doi":"10.1080/03610918.2024.2393691","DOIUrl":"https://doi.org/10.1080/03610918.2024.2393691","url":null,"abstract":"Interaction screening for high-dimensional data is a challenging issue, especially for the strongly correlated predictors. A new two-stage interaction screening procedure based on the projected dis...","PeriodicalId":55240,"journal":{"name":"Communications in Statistics-Simulation and Computation","volume":null,"pages":null},"PeriodicalIF":0.9,"publicationDate":"2024-09-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142207898","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}
Pub Date : 2024-08-30DOI: 10.1080/03610918.2024.2393702
Suvra Pal, Sandip Barui
A simple yet effective way of modeling survival data with cure fraction is by considering Box-Cox transformation cure model (BCTM) that unifies mixture and promotion time cure models. In this artic...
{"title":"Likelihood-based inference for semi-parametric transformation cure models with interval censored data","authors":"Suvra Pal, Sandip Barui","doi":"10.1080/03610918.2024.2393702","DOIUrl":"https://doi.org/10.1080/03610918.2024.2393702","url":null,"abstract":"A simple yet effective way of modeling survival data with cure fraction is by considering Box-Cox transformation cure model (BCTM) that unifies mixture and promotion time cure models. In this artic...","PeriodicalId":55240,"journal":{"name":"Communications in Statistics-Simulation and Computation","volume":null,"pages":null},"PeriodicalIF":0.9,"publicationDate":"2024-08-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142207899","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}
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