نتایج جستجو برای: early selection
تعداد نتایج: 986357 فیلتر نتایج به سال:
It is acknowledged that overfitting can occur in feature selection using the wrapper method when there is a limited amount of training data available. It has also been shown that the severity of overfitting is related to the intensity of the search algorithm used during this process. In this paper we show that two stochastic search techniques (Simulated Annealing and Genetic Algorithms) that ca...
به منظور مطالعات میکروبیواستراتیگرافی و پالئواکولوژی (بر اساس داده های ژئوشیمیایی)و همچنین میکروفاسیس سازند کژدمی، مقطع کوه رحمت واقع در شمال شرق شیراز مورد مطالعه قرار گرفته است. بطور کلی این سازند با ضخامت 66/89 متر بوده که در جهت عمود بر امتداد لایه ها 76 نمونه برداشت شده و 82 مقطع میکروسکوپی از آن تهیه و مورد مطالعه قرار گرفته است. در این تحقیق مطالعات میکروبیواستراتیگرافی از دو منظر، فرامی...
abstract nowadays, the science of decision making has been paid to more attention due to the complexity of the problems of suppliers selection. as known, one of the efficient tools in economic and human resources development is the extension of communication networks in developing countries. so, the proper selection of suppliers of tc equipments is of concern very much. in this study, a ...
This study examines the impact of manufacturing flexibility factors) integration, supplier management strategy, and supplier selection strategy( on business performance. For this purpose, the relationship between integration (corporate strategy, technology, customer, and supplier integration), supplier management strategy (supplier early involvement, quality roadmap, and technology roadmap), an...
hamoon is a new bread wheat cultivar derived from progenies of a cross made between falat and roshan. it is of spring habit and early maturity, 90-100 cm plant height, white spikes and thousand kernel weight of 40-45 gram. it is tolerant to lodging and environmental stresses(drought and salinity) as will as yellow rust. hamoon has hard grains of amber colour with averae protein content of 10.5%...
In quantitative real-time PCR, the mRNA level can be quantified in relative terms based on the expression ratio of mRNAs of the target gene and an internal reference gene. Since, an internal standard should be expressed at a constant level among different tissues of an organism at all stages of development, and should be unaffected by the experimental treatment, the stability of different refer...
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