نتایج جستجو برای: interval scale
تعداد نتایج: 763082 فیلتر نتایج به سال:
This paper proposes an alternative approach for efficiency analysis when a set of DMUs uses interval scale variables in the productive process. To test the influence of these variables, we present a general approach of deriving DEA models to deal with the variables. We investigate a number of performance measures with unrestricted-in-sign interval and/or interval scale variables.
حوضه رسوبی کپه داغ در شمال و شمال شرق ایران واقع می باشد و سازند خانگیران آخرین نهشته های دریایی این حوضه محسوب می شود. در این مطالعه، برش الگوی این سازند، واقع در شمال شهر درگز، غرب حوضه رسوبی کپه داغ مورد بررسی قرار گرفته است. ضخامت این سازند در این برش 1880 متر می باشد، که 505 متر ابتدایی آن مورد بررسی قرار گرفته است. لیتولوژی این سازند در این برش شامل تناوبی از شیل، مارن، مارن های سیلتی و م...
INTRODUCTION Despite the strong evidence of the clinical utility of QTc prolongation as a surrogate marker of cardiac risk, QTc measurement is not part of clinical routine either in hospital or in physician offices. We evaluated a novel device ("the QT scale") to measure heart rate (HR) and QTc interval. METHOD The QT scale is a weight scale embedding an ECG acquisition system with four limb ...
The FechDeck is an ordinary deck of playing cards modified to support exploration of psychophysical methods. Card backs are printed with noise textures that span a range of densities. Faces are augmented with line segments arranged in "L" patterns. Jokers are printed with ruled faces and with backs that serve as noise standards. The FechDeck allows users to conduct threshold experiments using F...
This paper proposes and evaluates a distributed, parallel approach for reasoning over large scale datasets using Allen’s Interval Algebra (IA). We have developed and implemented algorithms that reason over IA networks using the Spark distributed processing framework. Experiments have been conducted by deploying the algorithms on computer clusters using synthetic datasets with various characteri...
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