نتایج جستجو برای: network models

تعداد نتایج: 1491590  

Introduction: cardiovascular diseases are becoming the main cause of mortality and morbidity in most countries. This research goal was to predict the types of heart diseases for more accurate diagnosis by data mining and neural network technics. Method: This research was an applied-survey study and after data preprocessing, three approaches of neural network, decision making tree and Bayes simp...

In this study, artificial neural network was used to predict the surface tension of 20 hydrocarbon mixtures. Experimental data was divided into two parts (70% for training and 30% for testing). Optimal configuration of the network was obtained with minimization of prediction error on testing data. The accuracy of our proposed model was compared with four well-known empirical equations. The arti...

2011
Viviana Amati Jürgen Lerner Bobo Nick

Journal: :Quality Engineering 2019

Journal: :Computer Science and Information Systems 2004

Journal: :The New England Journal of Statistics in Data Science 2023

In the interest of business innovation, social network companies often carry out experiments to test product changes and new ideas. such experiments, users are typically assigned one two experimental conditions with some outcome observed compared. this setting, user may be influenced by not only condition which they but also other via their connections. This challenges classical design analysis...

ژورنال: تحقیقات موتور 2018

Today, employing model based design approach in powertrain development is being paid more attention. Precise, meanwhile fast to run models are required for applying model based techniques in powertrain control design and engine calibration. In this paper, an in-cylinder process model of a CVVT gasoline engine is developed to be employed in extended mean valve control oriented model and also mod...

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In this study is predicted the groundwater level of Sharif Abad catchment using some artificial intelligence models. For this purpose used of monthly groundwater levels for modeling in the three observed wells located in the Sharif Abad watershed of Qom. To compare the results of the hybrid model of wavelet analysis-neural network (WNN), genetic programming (GP) multiple linear regression (MLR)...

1993
F. P. Kelly

This paper describes several simple models that have helped our understanding of communication networks, and describes some of the new problems that arise in connection with the multiservice networks planned for the future.

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