نتایج جستجو برای: hybrid models
تعداد نتایج: 1081986 فیلتر نتایج به سال:
Concordism functioned as the consensus view in Protestant circles until rise of Darwinism. Darwinism upended evangelical beliefs about relationship between Bible and science, concordism began to fall out favor. Subsequently, theologians formulating statements which collated doctrines definitions attempts delineate boundaries for orthodox belief. Yet while are necessary belief, they not sufficie...
Background & Objectives: The prediction and quality control of the Karaj River water, as one of the important needed water supply sources of Tehran, possesses great importance. In this study, performance of artificial neural network (ANN), combined wavelet-neural network (WANN), and multi linear regression (MLR) models were evaluated to predict next month nitrate and dissolved oxygen of “Pole K...
In this paper, we consider portfolio selection problem in which security returns are regarded as fuzzy variables rather than random variables. We first introduce a concept of absolute deviation for fuzzy variables and prove some useful properties, which imply that absolute deviation may be used to measure risk well. Then we propose two mean-absolute deviation models by defining risk as abs...
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