PURPOSE Because of an increasing demand for quality comparative effectiveness research (CER), methods guidance documents have been published, such as those from the Agency for Healthcare Research and Quality (AHRQ) and the Patient-Centered Outcomes Research Institute (PCORI). Our objective was to identify CER methods guidance documents and compare them to produce a summary of important recommen...

A new methodology is introduced for designing and tuning the scaling gains of the conventional fuzzy logic controller (FLC) based on its well-tuned linear counterpart. The conventional FLC with a linear rule base is very similar to its linear counterpart. The linear three-term controller has proportional, integral and/or derivative gains. Similarly, the conventional fuzzy three-term controller ...

Aircraft on ground or down-time for its maintenance is a clear loss in revenue an airline operation. With never ending competition and growing operating costs of aircraft, airlines continuously need to explore opportunities reduce the aircraft order remain sustainable. Due round clock operation feature scheduled airlines, operations are generally carried out using traditional management methodo...

abstract almost, the traditional comparative advantage indices especially employment, value added and profitability are considered in all studies in the context of regional comparative advantage. while the study of comparative advantage, regardless of the sustainable development indices is a flawed study. therefore, in this study, in the first stage, iranian provinces are ranked according to em...