In the present research work, two probabilistic models are constructed, which are exponential regression and negative binomial regression. The first one refers to the number of positive cases of being infected by COVID-19. The second one refers to deaths. It was possible to estim...
Open access
Research Article10.9734/ajpas/2020/v10i430252
This paper presents Bayesian analysis of Seemingly Unrelated Regression (SUR) model. An independent prior for parameters was used. The Bayesian method was compared with classical method of estimation to know the most efficient estimator under different distributional assumptions...
Open access
Research Article10.9734/ajpas/2020/v10i430251
Analysis of Means by Ranks is a nonparametric statistical test procedure that was developed in Bakir (1989) but has rarely been applied in practice. This paper modifies and applies Analysis of Means by Ranks to a case study data involving the comparison of three contract proposal...
Open access
Research Article10.9734/ajpas/2020/v10i330250
This study compares the Seasonal autoregressive integrated moving average (SARIMA) model within Fourier time series model in modelling rainfall data in Port Harcourt Rivers State from 2000-2014. The time plot of the series showed Seasonality but a not obvious trend. The raw data...
Open access
Research Article10.9734/ajpas/2020/v10i330249
This article examines the flexibility of the Zubair-G family of distribution using the Dagum distribution. The proposed distribution is called the Zubair-Dagum distribution. The various mathematical properties of this distribution such as the Quantile function, Moments, Moment ge...
Open access
Research Article10.9734/ajpas/2020/v10i330248
Aims/ Objectives: This paper presents a new method to calculate the Wiener index of a fuzzy graph by using strong domination number s of a fuzzy graph G. This method is more useful than other methods because it saves time and eorts and doesn't require more calculations, if the ed...
Open access
Research Article10.9734/ajpas/2020/v10i330247
In this paper, a study of second order slope rotatable designs under intra-class correlation error structure using two suitably chosen dissimilar incomplete block designs like balanced incomplete block designs and symmetrical unequal block arrangements with two unequal block size...
Open access
Research Article10.9734/ajpas/2020/v10i330246
This paper introduces and investigates the notions of GN -disconnected sets, GN -connected, GN -precompact sets, and separation axioms via GN -preopen sets. They will be introduced in grill topological spaces by using the class of GN -preopen sets.
Open access
Research Article10.9734/ajpas/2020/v10i230245
For many years scientists studied the piosphere concept- a grazing gradient around a natural/artificial watering point. As is the case for other kinds of ecological studies, the method of statistical analyses applied in many publications is not always appropriate. We note there a...
Open access
Research Article10.9734/ajpas/2020/v10i230244
In this paper, measure of slope rotatability for second order response surface designs using pairwise balanced designs under intra-class correlated structure of errors is suggested and illustrated with examples.
Open access
Research Article10.9734/ajpas/2020/v10i230242
The main concept of this research was forecasting a group of variables simultaneously, thus making use of correlations among the variables. This research aims to check forecasting performance among different VAR and ARIMA models applying some economic indicators of Bangladesh. Da...
Open access
Research Article10.9734/ajpas/2020/v10i230243
The most challenging limitation of the ratio estimation is that of deriving variance estimator that admits more than two auxiliary variables. This paper introduces a new calibration weights that prompt the formulation of a multivariate ratio estimator by the calibration tuning pa...
Open access
Research Article10.9734/ajpas/2020/v10i130236
Kano State is experiencing greater weather extremes, changes in rainfall patterns, analysis of heat and cold waves, and increasing droughts and floods (Kano meteorological agency). As a result, there is a need for the provision of the necessary weather advisories and early warnin...
Open access
Research Article10.9734/ajpas/2020/v10i130240
Aim: The main objective of this study is to compare the development of mandibular length by comparing the effectiveness of a new low-cost arch development appliance in increasing the length of the mandible with the twin block appliance (Twin-B). Methodology: This analysis was per...
Open access
Research Article10.9734/ajpas/2020/v10i130237
This paper introduces the concept of calibration estimators to Statistical Regression Estimation and proposes a multivariate calibration regression (M-REG) estimator of population mean in stratified random sampling. It develops a new approach to variance estimation that is more e...
Open access
Research Article10.9734/ajpas/2020/v10i130238