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Journal of Statistical Research of Iran最新文献

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Weibull Analysis with Sequential Order Statistics Under a Power Trend Model for Hazard Rates with Application in Aircraft Data Analysis 危险率功率趋势模型下的顺序统计量威布尔分析及其在飞机数据分析中的应用
Journal of Statistical Research of Iran Pub Date : 2019-12-17 DOI: 10.52547/jsri.16.2.535
M. Doostparast, M. Hashempour, 1. E.VelayatiMoghaddam
{"title":"Weibull Analysis with Sequential Order Statistics Under a Power Trend Model for Hazard Rates with Application in Aircraft Data Analysis","authors":"M. Doostparast, M. Hashempour, 1. E.VelayatiMoghaddam","doi":"10.52547/jsri.16.2.535","DOIUrl":"https://doi.org/10.52547/jsri.16.2.535","url":null,"abstract":"In engineering systems, it is usually assumed that lifetimes of components are independent and identically distributed (iid). But, the failure of a component results in a higher load on the remaining components and hence causes the distribution of the surviving components change. For modeling this kind of systems, the theory of sequential order statistics (SOS) can be used. Assuming Weibull distribution for lifetimes of components and conditionally proportional hazard rates model as a special case of the SOS theory, the maximum likelihood estimates of the unknown parameters are obtained in different cases. A new model, denoted by PTCPHM, as a generalization of the iid case is proposed, and then statistical inferential methods including point and interval estimation as well as hypothesis tests under PTCPHM are then developed. Finally, a real data on failure times of aircraft components, due to Mann and Fertig (1973), is analyzed to illustrate the model and inferential methods developed here.","PeriodicalId":422124,"journal":{"name":"Journal of Statistical Research of Iran","volume":"15 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-12-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115697190","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
A New Lifetime Distribution: The Beta Modified Weibull Power Series Distribution 一个新的寿命分布:Beta修正Weibull幂级数分布
Journal of Statistical Research of Iran Pub Date : 2019-09-10 DOI: 10.52547/jsri.16.1.1
E. Bahrami, Narges Yarmoghaddam
{"title":"A New Lifetime Distribution: The Beta Modified Weibull Power Series Distribution","authors":"E. Bahrami, Narges Yarmoghaddam","doi":"10.52547/jsri.16.1.1","DOIUrl":"https://doi.org/10.52547/jsri.16.1.1","url":null,"abstract":"","PeriodicalId":422124,"journal":{"name":"Journal of Statistical Research of Iran","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-09-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131188801","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Estimation of Reliability of Stress-strength for a Kumaraswamy Distribution based on Progressively Censored Sample‎ 基于渐进式截尾样本的Kumaraswamy分布应力-强度可靠性估计
Journal of Statistical Research of Iran Pub Date : 2019-09-01 DOI: 10.52547/jsri.16.1.165
A. Kohansal, R. Kazemi
{"title":"Estimation of Reliability of Stress-strength for a Kumaraswamy Distribution based on Progressively Censored Sample‎","authors":"A. Kohansal, R. Kazemi","doi":"10.52547/jsri.16.1.165","DOIUrl":"https://doi.org/10.52547/jsri.16.1.165","url":null,"abstract":"","PeriodicalId":422124,"journal":{"name":"Journal of Statistical Research of Iran","volume":"26 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132780602","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A Repetitive Sampling-based Control Chart for Multivariate Weighed Poisson Distribution with Two Different Indexes‎ 两种不同指标的多元加权泊松分布的重复抽样控制图
Journal of Statistical Research of Iran Pub Date : 2019-09-01 DOI: 10.52547/jsri.16.1.245
S. Enami, H. Torabi
{"title":"A Repetitive Sampling-based Control Chart for Multivariate Weighed Poisson Distribution with Two Different Indexes‎","authors":"S. Enami, H. Torabi","doi":"10.52547/jsri.16.1.245","DOIUrl":"https://doi.org/10.52547/jsri.16.1.245","url":null,"abstract":"","PeriodicalId":422124,"journal":{"name":"Journal of Statistical Research of Iran","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131213601","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Spatial Statistics Analysis to Identify Hot Spots Using Accidental Event Calls Services 利用意外事件调用服务识别热点的空间统计分析
Journal of Statistical Research of Iran Pub Date : 2019-09-01 DOI: 10.52547/jsri.16.1.121
Samira Ghashghaie, S. Behzadi
{"title":"Spatial Statistics Analysis to Identify Hot Spots Using Accidental Event Calls Services","authors":"Samira Ghashghaie, S. Behzadi","doi":"10.52547/jsri.16.1.121","DOIUrl":"https://doi.org/10.52547/jsri.16.1.121","url":null,"abstract":"","PeriodicalId":422124,"journal":{"name":"Journal of Statistical Research of Iran","volume":"45 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123004692","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Bias-corrected Maximum-Likelihood Estimator for the Parameter of the Logarithmic Series Distribution and its Characterizations 对数序列分布参数的偏校正极大似然估计量及其表征
Journal of Statistical Research of Iran Pub Date : 2019-09-01 DOI: 10.52547/jsri.16.1.59
Mahdi Rasekhi, Gholamhossein G. Hamedani
{"title":"Bias-corrected Maximum-Likelihood Estimator for the Parameter of the Logarithmic Series Distribution and its Characterizations","authors":"Mahdi Rasekhi, Gholamhossein G. Hamedani","doi":"10.52547/jsri.16.1.59","DOIUrl":"https://doi.org/10.52547/jsri.16.1.59","url":null,"abstract":". In this article, we study parameter estimation of the logarith mic series distribution. A well-known method of estimation is the maximum likelihood estimate (MLE) and this method for this distribution resulted in a biased estimator for the small sample size datasets. The goal here is to reduce the bias and root mean square error of MLE of the unknown pa rameter. Employing the Cox and Snell method, a closed-form expression for the bias-reduction of the maximum likelihood estimator of the parame ter is obtained. Moreover, the parametric Bootstrap bias correction of the maximum likelihood estimator is studied. The performance of the proposed estimators is investigated via Monte Carlo simulation studies. The numeri cal results show that the analytical bias-corrected estimator performs better than bootstrapped-based estimator and MLE for small sample sizes. Also, certain useful characterizations of this distribution are presented. An exam ple via a real dataset is presented for the illustrative purposes.","PeriodicalId":422124,"journal":{"name":"Journal of Statistical Research of Iran","volume":"28 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124358479","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
New Results on Stochastic Comparison of Series and Parallel Systems Comprising Heterogeneous Generalized Modified Weibull Components 包含异质广义修正威布尔分量的串并联系统随机比较的新结果
Journal of Statistical Research of Iran Pub Date : 2019-09-01 DOI: 10.52547/jsri.16.1.101
Esmaeil Bashkar
{"title":"New Results on Stochastic Comparison of Series and Parallel Systems Comprising Heterogeneous Generalized Modified Weibull Components","authors":"Esmaeil Bashkar","doi":"10.52547/jsri.16.1.101","DOIUrl":"https://doi.org/10.52547/jsri.16.1.101","url":null,"abstract":"","PeriodicalId":422124,"journal":{"name":"Journal of Statistical Research of Iran","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129009748","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Likelihood Inference in the Random Effects Logistic Regression Model with ‎Response Misclassification and Covariate Subject to Measurement Error‎ 随机效应Logistic回归模型中响应误分类和协变量受测量误差影响的似然推断
Journal of Statistical Research of Iran Pub Date : 2019-09-01 DOI: 10.52547/jsri.16.1.255
M. Ahangari, M. Golalizadeh, Zahra Rezaei Ghahroodi
{"title":"Likelihood Inference in the Random Effects Logistic Regression Model with ‎Response Misclassification and Covariate Subject to Measurement Error‎","authors":"M. Ahangari, M. Golalizadeh, Zahra Rezaei Ghahroodi","doi":"10.52547/jsri.16.1.255","DOIUrl":"https://doi.org/10.52547/jsri.16.1.255","url":null,"abstract":"","PeriodicalId":422124,"journal":{"name":"Journal of Statistical Research of Iran","volume":"303 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"117210780","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Comparison of Record Ranked Set Sampling and Ordinary Records in Prediction of Future Record Statistics from an Exponential Distribution 记录排序集抽样与普通记录在指数分布预测未来记录统计中的比较
Journal of Statistical Research of Iran Pub Date : 2019-09-01 DOI: 10.52547/jsri.16.1.73
Ehsan Golzade Gervi, P. Nasiri, M. Salehi
{"title":"Comparison of Record Ranked Set Sampling and Ordinary Records in Prediction of Future Record Statistics from an Exponential Distribution","authors":"Ehsan Golzade Gervi, P. Nasiri, M. Salehi","doi":"10.52547/jsri.16.1.73","DOIUrl":"https://doi.org/10.52547/jsri.16.1.73","url":null,"abstract":"","PeriodicalId":422124,"journal":{"name":"Journal of Statistical Research of Iran","volume":"75 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131068883","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
On Dynamic Survival Past Extropy Properties‎ 关于动态生存的过去外向性[j]
Journal of Statistical Research of Iran Pub Date : 2019-09-01 DOI: 10.52547/jsri.16.1.229
Zohreh Pakdaman, Majid Hashempour‎
{"title":"On Dynamic Survival Past Extropy Properties‎","authors":"Zohreh Pakdaman, Majid Hashempour‎","doi":"10.52547/jsri.16.1.229","DOIUrl":"https://doi.org/10.52547/jsri.16.1.229","url":null,"abstract":"","PeriodicalId":422124,"journal":{"name":"Journal of Statistical Research of Iran","volume":"26 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122176038","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
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