Volume 10, Issue 2 (2014) | Journal of Mathematics and Statistics

EMPIRICAL LIKELIHOOD ESTIMATION BASED ON SIMULATED MOMENT CONDITIONS

Xing Wang — 2014-02-17

Journal of Mathematics and Statistics, Published online: 17 February 2014; doi:10.3844/jmssp.2014.111.116

In this study we discuss the optimization of the Empirical Likelihood (EL) criterion function when the moment condition is nonstandard. We deal with this issue following the Method of Simulated Moment...

UNSTEADY BOUNDARY LAYER FLOW ALONG A STRETCHING CYLINDER AN ANALYTICAL SOLUTION

M. Y. Akl — 2014-02-17

Journal of Mathematics and Statistics, Published online: 17 February 2014; doi:10.3844/jmssp.2014.117.124

The axisymetric laminar boundary layer unsteady flow along a continuously stretching cylinder immersed in a viscous and incompressible fluid is studied. The governing partial boundary layer equations ...

THE EFFICIENCY OF EMPIRICAL LIKELIHOOD WITH NUISANCE PARAMETERS

Xing Wang — 2014-02-17

Journal of Mathematics and Statistics, Published online: 17 February 2014; doi:10.3844/jmssp.2014.125.129

In this study we check the asymptotic efficiency of empirical likelihood in the presence of nuisance parameters combined with augmented moment conditions. We show that in the presence of nuisance para...

MAPPING OF ILLITERACY AND INFORMATION AND COMMUNICATION TECHNOLOGY INDICATORS USING GEOGRAPHICALLY WEIGHTED REGRESSION

Rokhana Dwi Bekti — 2014-02-21

Journal of Mathematics and Statistics, Published online: 21 February 2014; doi:10.3844/jmssp.2014.130.138

Geographically Weighted Regression (GWR) is a technique that brings the framework of a simple regression model into a weighted regression model. Each parameter in this model is calculated at each poin...

ON FINITE DIFFERENCES ON A STRING PROBLEM

J. M. Mango — 2014-02-22

Journal of Mathematics and Statistics, Published online: 22 February 2014; doi:10.3844/jmssp.2014.139.147

This study presents an analysis of a one-Dimensional (1D) time dependent wave equation from a vibrating guitar string. We consider the transverse displacement of a plucked guitar string and the subseq...

POISSON-WEIGHTED EXPONENTIAL UNIVARIATE VERSION AND REGRESSION MODEL WITH APPLICATIONS

Hossein Zamani — 2014-03-08

Journal of Mathematics and Statistics, Published online: 8 March 2014; doi:10.3844/jmssp.2014.148.154

This study introduces a new two-parameter mixed Poisson distribution, namely Poisson-Weighted Exponential (P-WE), which is obtained by mixing Poisson distribution with a new class of weighted exponent...

CONSTRUCTION OF GENERAL SUBSUMPTIVE SOLUTIONS OF BOOLEAN EQUATIONS VIA COMPLETE-SUM DERIVATION

Ali Muhammad Ali Rushdi — 2014-03-13

Journal of Mathematics and Statistics, Published online: 13 March 2014; doi:10.3844/jmssp.2014.155.168

Boolean-equation solving permeates many diverse areas of modern science. To solve a system of Boolean equations, one usually combines them into an equivalent single Boolean equation {f(X) = 0} whose s...

A NOVEL ROBUST AND EFFICIENT TOOL FOR DETECTING HETEROSCEDASTICITY

Wei Xiong — 2014-03-21

Journal of Mathematics and Statistics, Published online: 21 March 2014; doi:10.3844/jmssp.2014.169.185

One of the greatest values of Quantile Regression (QR) is that it provides a good procedure in the sense that QR could be much more efficient and sometimes arbitrarily more efficient in recovering the...

CHARACTERIZATION OF MARKOV-BERNOULLI GEOMETRIC DISTRIBUTION RELATED TO RANDOM SUMS

Mohamed Gharib — 2014-03-31

Journal of Mathematics and Statistics, Published online: 31 March 2014; doi:10.3844/jmssp.2014.186.191

The Markov-Bernoulli geometric distribution is obtained when a generalization, as a Markov process, of the independent Bernoulli sequence of random variables is introduced by considering the success p...

GAUSSIAN COPULA MARGINAL REGRESSION FOR MODELING EXTREME DATA WITH APPLICATION

Sutikno — 2014-04-04

Journal of Mathematics and Statistics, Published online: 4 April 2014; doi:10.3844/jmssp.2014.192.200

Regression is commonly used to determine the relationship between the response variable and the predictor variable, where the parameters are estimated by Ordinary Least Square (OLS). This method can b...

FORCED CONVECTION HEAT TRANSFER, FLOW CONFIGURATION AND THERMAL PERFORMANCE IN A SQUARE CHANNEL WITH MODIFIED V-SHAPED BAFFLES

Amnart Boonloi — 2014-04-07

Journal of Mathematics and Statistics, Published online: 7 April 2014; doi:10.3844/jmssp.2014.201.210

The influences of modified V-shaped baffle in a square channel for heat transfer and thermal performance enhancement are presented numerically in three Dimensional (3D). The V-shaped baffles are modif...

A NEW FAMILY OF GENERALIZED GAMMA DISTRIBUTION AND ITS APPLICATION

Satsayamon Suksaengrakcharoen — 2014-04-09

Journal of Mathematics and Statistics, Published online: 9 April 2014; doi:10.3844/jmssp.2014.211.220

The mixture distribution is defined as one of the most important ways to obtain new probability distributions in applied probability and several research areas. According to the previous reason, we ha...

THE TEMPORAL DYNAMICS OF REGIONAL CITY SIZE DISTRIBUTION: ANDHRA PRADESH (1951-2001)

G. Kumar — 2014-04-14

Journal of Mathematics and Statistics, Published online: 14 April 2014; doi:10.3844/jmssp.2014.221.230

Systems with measurable entities are characterized by certain properties of their size distribution. City Size Distribution (CSD) and the underlying city size dynamics have received attention in the u...

SWITCHING-ALGEBRAIC ANALYSIS OF RELATIONAL DATABASES

Ali Muhammad Ali Rushdi — 2014-04-18

Journal of Mathematics and Statistics, Published online: 18 April 2014; doi:10.3844/jmssp.2014.231.243

There is an established equivalence between relational database Functional Dependencies (FDs) and a fragment of switching algebra that is built typically of Horn clauses. This equivalence pertains to ...

THREE BAYESIAN TEST INDEXES FOR NORMAL DISTRIBUTIONS

Yohei Kawasaki — 2014-04-24

Journal of Mathematics and Statistics, Published online: 24 April 2014; doi:10.3844/jmssp.2014.244.246

In clinical trials, data that are consistent with a normal distribution are often regarded as candidates for primary evaluation variables. In such cases, t-tests are frequently used to compare differe...

ESTIMATING LOSS SEVERITY DISTRIBUTION: CONVOLUTION APPROACH

Ro J. Pak — 2014-05-02

Journal of Mathematics and Statistics, Published online: 2 May 2014; doi:10.3844/jmssp.2014.247.254

Financial loss can be classified into two types such as expected loss and unexpected loss. A current definition seeks to separate two losses from a total loss. In this article, however, we redefine a ...

MISSING DATA IMPUTATION USING WEIGHTED OF REGIME SWITCHING MEAN AND REGRESSION

Jumlong Vongprasert — 2014-05-03

Journal of Mathematics and Statistics, Published online: 3 May 2014; doi:10.3844/jmssp.2014.255.261

Missing data imputation is an important task in cases where it is crucial to use all available data and not discard records with missing values. The purpose of this work were first to develop the Weig...

STATIONARY CONNECTED CURVES IN HILBERT SPACES

Raed Hatamleh — 2014-05-17

Journal of Mathematics and Statistics, Published online: 17 May 2014; doi:10.3844/jmssp.2014.262.266

In this article the structure of non-stationary curves which are stationary connected in Hilbert space is studied using triangular models of non-self-adjoint operator. The concept of evolutionary repr...

FUZZY MODEL OPTIMIZATION FOR TIME SERIES DATA USING A TRANSLATION IN THE EXTENT OF MEAN ERROR

Nurhayadi — 2014-06-02

Journal of Mathematics and Statistics, Published online: 2 June 2014; doi:10.3844/jmssp.2014.267.274

Recently, many researchers in the field of writing about the prediction of stock price forecasting, electricity load demand and academic enrollment using fuzzy methods. However, in general, modeling d...

SEQUENTIAL ESTIMATION OF THE SQUARE OF THE RAYLEIGH PARAMETER

Mohamed Tahir — 2014-06-19

Journal of Mathematics and Statistics, Published online: 19 June 2014; doi:10.3844/jmssp.2014.275.280

The problem addressed is that of sequentially estimating the square of the parameter of the Rayleigh distribution, subject to a weighted squared loss plus cost of sampling. We propose a sequential pro...