The Modified Maximum Likelihood Estimation (MMLE) of the parameters of Exponential and Half Logistic distributions are considered and compared. An analytical approximation is used instead of linear approximation for a function which appears in Maximum Likelihood equation. These estimates are shown to perform better, in the sense of simplicity of calculation than the one based on linear approxim...

In this paper we will present the requirements for C# batch program development. Also there is constituted a quality analysis system of indicators for C# programs. The software structure used to analyze the C# program batch and computation of regarded indicators is presented. C# program classes are constructed and the belonginess criterion of a C# program to a particular class is established th...

background: according to quality transformation of services during the time, the quality requirements and standards also change and recognition of these requirements and transformation process can assist in recognizing the quality dimensions of services. the aim of this research was to explain the transformation process, requirements and quality dimensions of services in hospitals.   methods: t...

In this paper, we propose a tool for Requirements completeness analysis over requirements written in restricted Spanish. This tool materialize a method for requirements completeness based on a linguistic approach, more specifically based on semantic cases associated with verb senses. We also present the process for effectiveness of the tool, in completeness on several case studies, using precis...

Although left-right items are a standard tool of public opinion research, there remains some difference of opinion on the optimal response format. Two disputes can be identified in the literature: (a) whether to provide respondents with a small or large number of answer categories and (b) whether or not to administer the response scale including a midpoint. This study evaluates the performance ...

some physical properties and chemical compositions of two cultivars (semsouri and shahabadi) of cantaloupe studied during four different stages of maturity from fruit set to completely ripe. the physical properties investigated were the geometric mean diameter (gmd), specific gravity (sg), mean firmness (mf), rind, seed (%) and flesh (%). the chemical compositions were brix, titrable acidity (t...

the paper is devoted to solution of some problems in nuclear power station generating unit intellectual control systems using genetic algorithms on the basis of control system model development, optimizations methods of their direct quality indices and improved integral quadratic estimates. some mathematical vector models were obtained for control system multicriterion quality indices with due ...

process capability indices show the ability of a process to produce products according to the pre-specified requirements. since final quality characteristics of a product are usually interrelated to its previous amounts in earlier workstations, one need to model and consider the relationship among them to assess the process ca-pability properly. hence, conducting process capability analysis in ...