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Open Journal of Statistics (OJS) is an international journal dedicated to the latest advancements in statistics. The goal of this journal is to provide a platform for scientists and academicians all over the world to promote, share, and discuss various new issues and developments in different areas of statistics. All…
Donghui Yan, Gary E. Davis
We elaborate on an alternative representation of conditional probability to the usual tree diagram. We term the representation “turtleback diagram” for its resemblance to the pattern on turtle shells. Adopting the set theoretic view of events and the sample s…
Frank D. Lewis, Gordon J. Horn
The purpose of this study was to demonstrate an application of Rasch analysis to identify differences in disability profiles resulting from traumatic brain injury (TBI) and cerebral vascular accident (CVA) and to examine outcome differences between the two gr…
Jianwei Sheng, Xiyuan Qian, Tong Ruan
To explore the influencing factors of survival time of patients with heart failure, a total of 1789 patients with heart failure were collected from Shanghai Shuguang Hospital. The Cox proportional hazards model and the mixed effects Cox model were used to ana…
Shakila Bashir, Mujahid Rasul
Rayleigh distribution (RD) has wide applications in many real life situations especially life testing, reliability analysis, medicines etc. In this paper a new weighted Rayleigh distribution named area-biased Rayleigh distribution (ARD) is introduced. Some ma…
Andrew Luong
Asymptotic results are obtained using an approach based on limit theorem results obtained for α -mixing sequences for the class of general spacings (GSP) methods which include the maximum spacings (MSP) method. The MSP method has been shown to be very useful…
Obubu Maxwell, Obiora-Ilouno Happiness, Uzuke Chinwendu Alice, Ikediuwa Udoka Chinedu
A stock exchange is an exchange where stock brokers and traders can buy and sell shares of stock, bonds, and other securities. All listings are included in the Nigerian Stock Exchange All Shares index. In terms of market capitalization, the Nigerian Stock Exc…
Christopher Onyema Arimie, Iheanyi Sylvester Iwueze, Maxwell Azubuike Ijomah, Elechi Onyemachi
The linear Gaussian white noise process (LGWNP) is an independent and identically distributed ( iid ) sequence with zero mean and finite variance with distribution . Some processes, such as the simple bilinear white noise process (SBWNP), have the same covari…
Shichang Shen, Ying Wu
Based on the panel data of 31 provinces and municipalities inChinafrom 1998 to 2016, this paper studies the effect of demographic structure on social security expenditure inChinaby using entity fixed effect regression model. The results show that there is a l…
M. N. Egbo, D. C. Bartholomew, J. U. Okeke, E. N. Okeke
An enrolment projection model based on the Markov Chain is developed for Apostolic Faith Secondary School, Akwa Ibom State, Nigeria. Six years of data (between 2008/2009-2013/2014 academic sessions) of student enrolment at the school were studied. The study r…
Elysia Garcia, Subhash Aryal, Emily Spence-Almaguer, Danielle Rohr, Scott T. Walters
Item Response Theory (IRT) models have been extensively used in the field of education to identify link between a response to a test item and underlying latent capability of the test taker. We demonstrate the benefit of using IRT model to analyze health data…
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Open Journal of Statistics (OJS) is an international journal dedicated to the latest advancements in statistics. The goal of this journal is to provide a platform for scientists and academicians all over the world to promote, share, and discuss various new issues and developments in different areas of statistics. All… All articles are open access under a CC BY 4.0 licence, with authors retaining copyright.
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