Pub Date : 2019-02-19DOI: 10.47974/tjoba.010.2019.v01i01
D. Tilbi
{"title":"Mixed model of two generalized Rayleigh distributions","authors":"D. Tilbi","doi":"10.47974/tjoba.010.2019.v01i01","DOIUrl":"https://doi.org/10.47974/tjoba.010.2019.v01i01","url":null,"abstract":"","PeriodicalId":346631,"journal":{"name":"TARU Journal of Organizational Behavior & Analytics","volume":"23 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-02-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128776955","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}
Pub Date : 2019-02-19DOI: 10.47974/tjoba.007.2019.v01i01
S. Pradhan
Following the Vegas Golden Knights’ inaugural 2017-18 season in the National Hockey League (NHL), numerous media outlets warranted the team’s success to a prevailing home ice advantage due to the team’s location in Las Vegas. Given that the city of Las Vegas is synonymous with its casinos and night life, the colloquial phenomenon termed the “Vegas Flu” has been used by the media to headline the Golden Knights’ success. This paper offers a statistical analysis that examines the efficacy of this notion. Specifically, the current study utilizes a binary logistic regression model to predict game outcomes (i.e., wins and losses) and quantifies the “Vegas Flu” phenomenon through the number of visits made by an opposing team. Controlling for a series of variables (e.g., opposing team quality, point in season, game duration, attendance, opposing team location, and opposing time zone), findings from the logistic regression analysis using Firth’s penalized-likelihood correction did not support any significant effect of the “Vegas Flu.” Ultimately, limitations and routes for further research are presented. Subject Classification: (2010) 62-07, 62J02, 62P25, 90B90.
在拉斯维加斯黄金骑士队(Vegas Golden Knights) 2017-18赛季在美国国家冰球联盟(NHL)的首个赛季结束后，许多媒体都在报道该球队的成功，因为该球队位于拉斯维加斯，占据了主场优势。鉴于拉斯维加斯是赌场和夜生活的代名词，媒体利用这种被称为“拉斯维加斯流感”的通俗现象来报道黄金骑士队的成功。本文提供了一个统计分析来检验这一概念的有效性。具体来说，目前的研究利用二元逻辑回归模型来预测比赛结果(即输赢)，并通过对手球队的访问量来量化“维加斯流感”现象。控制了一系列变量(例如，对手球队的质量、赛季积分、比赛持续时间、出勤率、对手球队的位置和对手的时区)，使用Firth的惩罚可能性校正的逻辑回归分析结果不支持“维加斯流感”的任何显著影响。最后，提出了局限性和进一步研究的方向。学科分类:(2010)62-07,62J02, 62P25, 90B90。
{"title":"Does the National Hockey League (NHL) have a case of the “Vegas Flu”? - A statistical examination of the Vegas Golden Knights’ inaugural 2017-18 season","authors":"S. Pradhan","doi":"10.47974/tjoba.007.2019.v01i01","DOIUrl":"https://doi.org/10.47974/tjoba.007.2019.v01i01","url":null,"abstract":"Following the Vegas Golden Knights’ inaugural 2017-18 season in the National Hockey League (NHL), numerous media outlets warranted the team’s success to a prevailing home ice advantage due to the team’s location in Las Vegas. Given that the city of Las Vegas is synonymous with its casinos and night life, the colloquial phenomenon termed the “Vegas Flu” has been used by the media to headline the Golden Knights’ success. This paper offers a statistical analysis that examines the efficacy of this notion. Specifically, the current study utilizes a binary logistic regression model to predict game outcomes (i.e., wins and losses) and quantifies the “Vegas Flu” phenomenon through the number of visits made by an opposing team. Controlling for a series of variables (e.g., opposing team quality, point in season, game duration, attendance, opposing team location, and opposing time zone), findings from the logistic regression analysis using Firth’s penalized-likelihood correction did not support any significant effect of the “Vegas Flu.” Ultimately, limitations and routes for further research are presented. Subject Classification: (2010) 62-07, 62J02, 62P25, 90B90.","PeriodicalId":346631,"journal":{"name":"TARU Journal of Organizational Behavior & Analytics","volume":"17 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-02-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116167199","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}
Pub Date : 2019-02-19DOI: 10.47974/tjoba.005.2019.v01i01
Hui-min Chen, Yun-bao Xu
Forestry ecological profit or deficit index is chosen for measuring the degree of forest degradation in China. Calculating results of the whole regions’ and provinces’ forest degradation shows: on the whole, China’s forest resources appears a tendency of degradation, however it is relatively stable before 1990, then the deficit gradually is expanding; forest degradation in regions behaves much difference, the Central Regions and the East Regions of China exists deficit, the West Regions of China appears surplus in some years; in individual provinces, there are 17 provinces in deficit, 14 provinces in surplus which experience decrease. Subject Classification: 62P12, 65K05.
{"title":"Connotation of forest degradation and the measure of forest degradation in China","authors":"Hui-min Chen, Yun-bao Xu","doi":"10.47974/tjoba.005.2019.v01i01","DOIUrl":"https://doi.org/10.47974/tjoba.005.2019.v01i01","url":null,"abstract":"Forestry ecological profit or deficit index is chosen for measuring the degree of forest degradation in China. Calculating results of the whole regions’ and provinces’ forest degradation shows: on the whole, China’s forest resources appears a tendency of degradation, however it is relatively stable before 1990, then the deficit gradually is expanding; forest degradation in regions behaves much difference, the Central Regions and the East Regions of China exists deficit, the West Regions of China appears surplus in some years; in individual provinces, there are 17 provinces in deficit, 14 provinces in surplus which experience decrease. Subject Classification: 62P12, 65K05.","PeriodicalId":346631,"journal":{"name":"TARU Journal of Organizational Behavior & Analytics","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-02-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129712832","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}
Pub Date : 2019-02-19DOI: 10.47974/tjoba.004.2019.v01i01
Yang Jianqi, Jia Qiuyan
The problem of risk-minimizing hedging for non-standard European contingent is considered. At first, a non-standard European contingent is demonstrated as stochastic payment streams. Then The existence of the risk minimization strategy and also the uniqueness are proved under two kinds market information by using Galtchouk-Kunita-Watanabe decomposition. Furthermore, by constructing a 0-achieving strategy risk-minimizing strategies is given in full information case. Existence and uniqueness are also This research is supported by Hunan Provincial Department of Education Research Project(17A080) and National Natural Science Foundation(71271136) proven. And further, we have proven risk-minimizing strategies exists and is unique under restrict information by constructing a weakly mean-selffinancing strategy. 60G35.
{"title":"Hedging for non-standard European contingents","authors":"Yang Jianqi, Jia Qiuyan","doi":"10.47974/tjoba.004.2019.v01i01","DOIUrl":"https://doi.org/10.47974/tjoba.004.2019.v01i01","url":null,"abstract":"The problem of risk-minimizing hedging for non-standard European contingent is considered. At first, a non-standard European contingent is demonstrated as stochastic payment streams. Then The existence of the risk minimization strategy and also the uniqueness are proved under two kinds market information by using Galtchouk-Kunita-Watanabe decomposition. Furthermore, by constructing a 0-achieving strategy risk-minimizing strategies is given in full information case. Existence and uniqueness are also This research is supported by Hunan Provincial Department of Education Research Project(17A080) and National Natural Science Foundation(71271136) proven. And further, we have proven risk-minimizing strategies exists and is unique under restrict information by constructing a weakly mean-selffinancing strategy. 60G35.","PeriodicalId":346631,"journal":{"name":"TARU Journal of Organizational Behavior & Analytics","volume":"18 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-02-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126240944","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}
Pub Date : 1900-01-01DOI: 10.47974/tjoba.012.2019.v01i01
M. Hanif, U. Shahzad, Irum Shahzadi, N. Koyuncu
The generalized exponential distribution with two parameters has the verity of applications. In literature, the generalized exponential distribution mean are obtained through maximum likelihood estimators based on various data structures. However, the order preserving property of generalized exponential distribution estimators are not found in the literature. This property discusses in this article. Coupling method is used to check the stochastic increment of grouped data using the generalized exponential distribution. The parameters are estimated through maximum likelihood estimation. The distances are decreasing lies between the inspection times are stochastically ordered. The assumptions of monotonicity are dropped in successive distances. The Markove property is used to attain the assumptions of monotonicity. Subject Classification: (2010) 60G20.
{"title":"Stochastically increasing grouped data using the MLE of mean of the generalized exponential distribution","authors":"M. Hanif, U. Shahzad, Irum Shahzadi, N. Koyuncu","doi":"10.47974/tjoba.012.2019.v01i01","DOIUrl":"https://doi.org/10.47974/tjoba.012.2019.v01i01","url":null,"abstract":"The generalized exponential distribution with two parameters has the verity of applications. In literature, the generalized exponential distribution mean are obtained through maximum likelihood estimators based on various data structures. However, the order preserving property of generalized exponential distribution estimators are not found in the literature. This property discusses in this article. Coupling method is used to check the stochastic increment of grouped data using the generalized exponential distribution. The parameters are estimated through maximum likelihood estimation. The distances are decreasing lies between the inspection times are stochastically ordered. The assumptions of monotonicity are dropped in successive distances. The Markove property is used to attain the assumptions of monotonicity. Subject Classification: (2010) 60G20.","PeriodicalId":346631,"journal":{"name":"TARU Journal of Organizational Behavior & Analytics","volume":"46 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122125678","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}
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