Analysts faced with conducting experiments involving quantitative factors have a variety of potential designs in their portfolio. However, in many experimental settings involving discrete-valued factors (particularly if the factors do not all have the same number of levels), none of these...

Accurate and fast detection of harmful <i>Salmonella</i> is a major concern of food safety. Common <i>Salmonella </i>serotypes responsible for human associated foodborne outbreaks are <i>S. </i>Enteritidis, <i>S. </i>Hadar, <i>S. </i>Heidelberg, and <i>S. </i>Typhimurium are also commonly isolated from poultry. Serology is commonly used...

Port services are key elements of a country's economy. They provide the necessary infrastructure for the development of industry, business and international trade. In this case, evaluating and improving their performance is essential to achieve international competitiveness. This paper presents...