This paper is devoted to the analysis of the mean waiting time for a polling system with general service order sequence and nonexhaustive service discipline. We obtain an expression for the mean waiting time in terms of a so-called residual cycle time and derive a pseudoconservation law (PCL) to help improve the accuracy of estimations of the mean waiting time. By multiplying the estimations of...

Most human diseases and agriculturally important traits are complex. Dissecting their genetic architecture requires continued development of innovative and powerful statistical methods. Corresponding advances in computing tools are critical to efficiently use these statistical innovations and to enhance and accelerate biomedical and agricultural research and applications. The genome association...

This article tests a new model for predicting which aspects of personality are best judged by the self and which are best judged by others. Previous research suggests an asymmetry in the accuracy of personality judgments: Some aspects of personality are known better to the self than others and vice versa. According to the self-other knowledge asymmetry (SOKA) model presented here, the self shou...

Existing algorithmic models fail to produce accurate software development effort estimates. To address this problem, a case-based reasoning model, called Estor, was developed based on the verbal protocols of a human expert solving a set of estimation problems. Estor was then presented with 15 software effort estimation tasks. The estimates of Estor were compared to those of the expert as well a...

Project planning plays a significant role in software projects so that imprecise estimations often lead to the project faults or dramatic outcomes for the project team. In recent years, various methods have been proposed to estimate the software development effort accurately. Among all proposed methods the non algorithmic methods by using soft computing techniques have presented considerable re...

In Korea, Korea Proven Bulls (KPN) program has been well-developed. Breeding and evaluation of cows are also an essential factor to increase earnings genetic gain. This study aimed evaluate the accuracy cow breeding value by using three methods (Pedigree index (PI), Pedigree-BLUP (PBLUP), Genomic-BLUP (GBLUP)). The reference population (n=16,971) was used estimate values for 481 females as a te...

This study was conducted to estimate the genetic parameters influencing egg quality in Khorasan Razavi native fowl. (Co)Variance components were estimated by the Bayesian statistical method via Gibbs sampling in GIBBS3F90 software. 1000 eggs (28-29 weeks old) were collected from 775 hens of the ninth generation of Khorasan-Razavi Province native fowl breeding center. External (egg weight,specif...

Prediction of available vapor pressure data in the case of compounds containing C-H-O led to derivations and recommendations of standard equations for this property. The accuracy of vapor pressure estimations is essential to use as a basis to calculate acentric factor, thermal and equilibrium properties. In this study, according to the previous work, an accurate equation to estimate vapor press...