نتایج جستجو برای: efficiency forecasting

تعداد نتایج: 428341  

2015
Joseph Paradi D’Andre Wilson Xiaopeng Yang

of Workshop 2015 -Advances in DEA Theory and Applications with Extensions to Forecasting Models Date December 1 st -2 nd , 2015 Venue: Conference Room 4A, National Graduate Institute for Policy Studies (GRIPS) Workshop Organizer: Prof. Kaoru Tone, GRIPS December 1 st , 13:25-17:00 13:25-13:30 Opening Remarks: Prof. Kaoru Tone (GRIPS, Japan) 13:30-15:00 Session 1. Chair: Prof. Joseph Paradi (Uni...

2004
Yen-Ming Chiang Li-Chiu Chang Fi-John Chang

A systematic comparison of two basic types of neural network, static and dynamic, is presented in this study. Two backpropagation (BP) learning optimization algorithms, the standard BP and conjugate gradient (CG) method, are used for the static network, and the real-time recurrent learning (RTRL) algorithm is used for the dynamic-feedback network. Twenty-three storm-events, about 1632 rainfall ...

Journal: :journal of agricultural science and technology 2010
l. parviz m. kholghi a. hoorfar

the forecasting of hydrological variables, such as streamflow, plays an important role in water resource planning and management. recently, the development of stochastic models is regarded as a major step for this purpose. streamflow forecasting using the arima model can be conducted when unknown parameters are estimated correctly because parameter estimation is one of the crucial steps in mode...

Journal: :CoRR 2016
Jaydip Sen Tamal Datta Chaudhuri

Analysis and prediction of stock market time series data has attracted considerable interest from the research community over the last decade. Rapid development and evolution of sophisticated algorithms for statistical analysis of time series data, and availability of high-performance hardware has made it possible to process and analyze high volume stock market time series data effectively, in ...

2016
M. A. Balikhin J. V. Rodriguez R. J. Boynton S. N. Walker H. Aryan D. G. Sibeck S. A. Billings

Reliable forecasts of relativistic electrons at geostationary orbit (GEO) are important for the mitigation of their hazardous effects on spacecraft at GEO. For a number of years the Space Weather Prediction Center at NOAA has provided advanced online forecasts of the fluence of electrons with energy >2 MeV at GEO using the Relativistic Electron Forecast Model (REFM). The REFM forecasts are base...

2013
Jaeyeong Yoo Kyeon Hur

This paper presents a new, accurate load forecasting technique robust to fluctuations due to unusual load behavioral changes in buildings, i.e., the potential for small commercial buildings with heterogeneous stores. The proposed scheme is featured with two functional components: data classification by daily characteristics and automatic forecast model switching. The scheme extracts daily chara...

2012
Mohamad Ghazali Wasiu Balogun

This work examines recent publications in forecasting in various fields, these include: wind power forecasting; electricity load forecasting; crude oil price forecasting; gold price forecasting energy price forecasting etc. In this review, categorization of the processes involve in forecasting are divided into four major steps namely: input features selection; data pre-processing; forecast mode...

پایان نامه :0 1392

nowadays in trade and economic issues, prediction is proposed as the most important branch of science. existence of effective variables, caused various sectors of the economic and business executives to prefer having mechanisms which can be used in their decisions. in recent years, several advances have led to various challenges in the science of forecasting. economical managers in various fi...

2012
K. P. Suresh G. Ravi Kiran K. Giridhar K. T. Sampath

The availability and efficient use of the feed resources in India are the primary drivers to maximize productivity of Indian livestock. Feed security is vital to the livestock management, extent of use, conservation and productivity enhancement. Assessment and forecasting of livestock feed resources are most important for effective planning and policy making. In the present study, 40 years of d...

 Iran is one of the top five important countries in the world that have rich oil reserves. Exchange incomes produced by oil exports play an important role in country’s budget. Therefore, the studies and researches in fields that are related to oil economics have great privilage. Today, there is a plentiful interest in use of artificial intelligence methods especially neural networks for improvi...

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