نتایج جستجو برای: gmdh pnn model

تعداد نتایج: 2105295  

Journal: :Earth Science Informatics 2015
Mohammad Najafzadeh Siow Yong Lim

An improved neuro-fuzzy based group method of data handling using the particle swarm optimization (NF-GMDH-PSO) is developed as an adaptive learning network to predict the localized scour downstream of a sluice gate with an apron. The input characteristic parameters affecting the scour depth are the sediment size and its gradation, apron length, sluice gate opening, and the flow conditions upst...

2016
Ramakanta Mohanty Vadlamani Ravi

Machine learning techniques have been dominating in the last two decades. The recently published comprehensive state-of-the-art review (Mohanty et al., 2010) justifies this issue. The ability of software quality models to accurately identify critical faulty components allows for the application of focused verification activities ranging from manual inspection to automated formal analysis method...

Journal: :Pacific Symposium on Biocomputing. Pacific Symposium on Biocomputing 2003
Daniel P. Berrar C. Stephen Downes Werner Dubitzky

Gene expression profiling by microarray technology has been successfully applied to classification and diagnostic prediction of cancers. Various machine learning and data mining methods are currently used for classifying gene expression data. However, these methods have not been developed to address the specific requirements of gene microarray analysis. First, microarray data is characterized b...

Journal: :Transactions of the Society of Instrument and Control Engineers 1986

ژورنال: آبخیزداری ایران 2022

Understanding the Stage–Discharge relationship is of great importance in the management and planning of water resources, as well as the design of hydraulic structures, the organization of rivers, and the planning of flood warning systems. With the advancement of science and increasing the speed of computing, new methods called intelligent systems have been introduced, the use of which can be a ...

Journal: :Engineering Applications of Computational Fluid Mechanics 2021

Accurate prediction of water level (WL) is essential for the optimal management different resource projects. The development a reliable model WL remains challenging task in resources management. In this study, novel hybrid models, namely, Generalized Structure-Group Method Data Handling (GS-GMDH) and Adaptive Neuro-Fuzzy Inference System with Fuzzy C-Means (ANFIS-FCM) were proposed to predict d...

2003
Bulent Bolat Tulay Yildirim

Through this paper, some performance increasing methods for probabilistic neural network (PNN) are presented. These methods are tested with the glass benchmark database which has an irregular class distribution. Selection of a good training dataset is one of the most important issue. Therefore, a new data selection procedure was proposed. A data replication method is applied to the rare events ...

2005
Shuang Cang Hongnian Yu

In most application of the data classifications, the data sets contain both continuous and categorical variables. In other word, multivariate data sets containing mixtures of continuous and categorical variables arise frequently in practice. This paper presents a novel Probability Neural Network (PNN) which can classify the data for both continuous and categorical input data types. The case wit...

Journal: :the international journal of humanities 2015
hamid abrishami fatemeh bourbour ma’asoumeh aghajani

in this paper, a model based on gmdh type neural network, is used to predict gas price in the spot market while using oil spot market price, gas spot market price, gas future market price, oil future market price and average temperature of the weather. the results suggest that gmdh neural network model, according to the root mean squared error (rmse) and direction statistics (dstat) statistics ...

In this paper, experimental responses of the clamped mild steel, copper, and aluminium circular plates are presented subjected to blast loading. The GMDH-type neural networks (Group Method of Data Handling) are then used for the modelling of the mid-point deflection thickness ratio of the circular plates using those experimental results. The aim of such modelling is to show how the mid-point de...

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