We introduce a new class of lifetime models called the transmuted powered moment exponential distribution. More specifically, the transmuted powered moment exponential distribution covers several new distributions. Survival analysis including survival function, hazard rate functi...
Open access
Research Article10.9734/ajpas/2021/v13i430314
This article presents the advantages of multivariate GARCH models. Multivariate GARCH models are identified as the best and flexible models in econometrics. Also, the interest of these models is to be able to examine and analyze the various relations which the various series main...
Open access
Research Article10.9734/ajpas/2021/v13i430312
The paper introduces several approximate maximum likelihood estimators of the parameters of the sub-fractional Chan-Karolyi-Longstaff-Sanders (CKLS) interest rate model and obtains their rates of convergence. A new algorithm inspired by Newton-Cotes formula is presented to improv...
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Research Article10.9734/ajpas/2021/v13i330311
Application of SARIMA model in modelling and forecasting monthly rainfall in Nigeria was considered in this study. The study utilizes the Nigerian monthly rainfall data between 1980-2015 obtained from World Bank Climate Portal. The Box-Jenkin’s methodology was adopted. SARIMA (2...
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Research Article10.9734/ajpas/2021/v13i330310
Generalizing probability distributions is a very common practice in the theory of statistics. Researchers have proposed several generalized classes of distributions which are very flexible and convenient to study various statistical properties of the distribution and its ability...
Open access
Research Article10.9734/ajpas/2021/v13i330309
In this paper, three difference-cum-ratio estimators for estimating finite population coefficient of variation of the study variable using known population mean, population variance and population coefficient of variation of auxiliary variable were suggested. The biases and mean...
Open access
Research Article10.9734/ajpas/2021/v13i330308
In this article a brief summary of some recent developments of Weibull lifetime models has been presented for a quick overview. Various extensions of the Weibull models and the properties of the extended Weibull distribution have been discussed. A brief discussion about the chara...
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Research Article10.9734/ajpas/2021/v13i330307
In this work, we describe a Bayesian procedure for detection of change-point when we have an unknown change point in regression model. Bayesian approach with posterior inference for change points was provided to know the particular change point that is optimal while Gibbs sampler...
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Research Article10.9734/ajpas/2021/v13i230305
Aims/ Objectives: To formulated a linear regression model to capture the relationship between tea production and climatic variables in terms of ARIMA. Place and Duration of Study: Department of Mathematics and Actuarial Science, Catholic University of Eastern Africa, Nairobi, Ken...
Open access
Research Article10.9734/ajpas/2021/v13i230306
Fidelia Chinenye Kiwu-Lawrence, Lawrence Chizoba Kiwu, Desmond Chekwube Bartholomew, Chukwudi Paul Obite & Akanno Felix Chikereuba·Asian Journal of Probability and Statistics·2021
Three classes of Central Composite Design: Central Composite Circumscribed Design (CCCD), Central Composite Inscribed Design (CCID) and Central Composite Face-Centered Design (CCFD) in Response Surface Methodology (RSM) were evaluated and compared using the A-, D-, and G-efficien...
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Research Article10.9734/ajpas/2021/v13i230304
A chemical graph theory is a fascinating branch of graph theory which has many applications related to chemistry. A topological index is a real number related to a graph, as its considered a structural invariant. It’s found that there is a strong correlation between the propertie...
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Research Article10.9734/ajpas/2021/v13i230302
Aims: The aim of this study is to examine Economic data using the multivariate GARCH model. Study design: The study used monthly data of Nigerian crude oil prices (dollar Per Barrel) and Consumer price Index Methodology: This work covers time series data on crude oil price and c...
Open access
Research Article10.9734/ajpas/2021/v13i230301
To model Nigeria crude oil prices, this analysis compared univariate linear models to univariate nonlinear models. The data for this analysis was gathered from the Central Bank of Nigeria (CBN) Monthly Statistical Bulletin. The upward and downward movement in the series revealed...
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Research Article10.9734/ajpas/2021/v13i130300
This policy research paper analyses employability factors and challenges contributing to youth unemployment and also provides working recommendations for further dialogue and engagement on youth employability in the East African community EAC Countries. The policy analysis is bas...
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Research Article10.9734/ajpas/2021/v13i130299
A major challenge confronting meta-analysts seeking to synthesize existing empirical research on a given topic is the frequent failure of primary studies to fully report their sample statistics. Because such research cannot be included in a meta-analysis unless the unreported st...
Open access
Research Article10.9734/ajpas/2021/v13i130298