Results 21 to 30 of about 75,093 (310)

Assessment and Analysis of River Drought Volume by Using Historical and Forecasted Data (Case Study: Western Rivers of Lake Urmia) [PDF]

open access: yesعلوم و مهندسی آبیاری, 2015
Flood and drought analysis accuracy and estimating return period of droughts depend on selecting type of distribution functions and method of estimating parameters.
Keivan Khalili   +2 more
doaj   +1 more source

PROJECTION OF THE INFLATION RATE IN PANGKALPINANG CITY USING THE AUTOREGRESSIVE MOVING AVERAGE (ARMA)

open access: yesBarekeng, 2023
Inflation is one of the variables in the macro economy that can affect people's welfare and is defined as a complex phenomenon due to general and continuous price increases.
Desy Yuliana Dalimunthe   +4 more
doaj   +1 more source

Correlated synthetic time series generation for energy system simulations using Fourier and ARMA signal processing

open access: yesInternational Journal of Energy Research, 2020
As the contribution of renewable energy grows in electricity markets, the complexity of the energy mix required to meet demand grows, likewise the need for robust simulation techniques.
P. Talbot   +7 more
semanticscholar   +1 more source

Solar radiation prediction for a winter day using ARMA model

open access: yesIEEE International Energy Conference, 2020
Solar radiation prediction has a great importance for many applications such as PV power forecasting and solar water heaters. The need of solar radiation prediction increase over time and certainly the accurate prediction can greatly improve the ...
I. Sansa   +3 more
semanticscholar   +1 more source

Research on Stock Returns Forecast of the Four Major Banks Based on ARMA and GARCH Model

open access: yesJournal of Physics: Conference Series, 2020
This paper uses the prediction method of time series analysis to fit and predict the stock daily logarithmic return series of the four major banks. The ARMA model and the GARCH model are constructed and compared empirically.
Yuanwei Hu   +5 more
semanticscholar   +1 more source

Estimation of ARMA Model Order via Artificial Neural Network for Modeling Physiological Systems

open access: yesIEEE Access, 2020
Model order estimation is the most important but challenging step for system identification using an autoregressive moving average (ARMA) model. In this paper, we propose an artificial neural network (ANN) structure to estimate the best model order for ...
M. Hossain, Jihye Moon, K. Chon
semanticscholar   +1 more source

Modelling The Volatility of Frankfurt Stock Exchange (DAX) Returns Using hybrid Models [PDF]

open access: yesFinancial Markets, Institutions and Risks
Recently, the interest of researchers in the use of hybrid models in the process of analyzing model time series with fluctuations and forecasting fluctuations in financial time series has increased significantly. Hybrid ARMA-GARCH models were created for
Hadj Khelifa   +2 more
doaj   +1 more source

A Guide to Solar Power Forecasting using ARMA Models [PDF]

open access: yesIEEE PES Innovative Smart Grid Technologies Conference Europe, 2018
In this short article, we summarize a step-by-step methodology to forecast power output from a photovoltaic solar generator using hourly auto-regressive moving average (ARMA) models.
Bismark Singh, David Pozo
semanticscholar   +1 more source

Evaluation of Combined ARMA-ARCH and BL-ARCH models in Modeling Lake Urmia water level [PDF]

open access: yesعلوم و مهندسی آبیاری, 2017
Many nonlinear models have been developed based on the mean errors modeling. However, the non-linear models with Autoregressive conditional heteoscedasticity are based on variance modeling. These models are combined with linear models, partly to increase
Mohammad Nazeri Tahrudi   +3 more
doaj   +1 more source

El día que cambió la historia del arma nacional de inteligencia

open access: yesPerspectivas en Inteligencia, 2018
El arma de Inteligencia Militar en Colombia se ha consolidado históricamente, desde su origen en 1964 hasta el día de hoy, como una de las unidades más importantes de las Fuerzas Militares por su compromiso con el lema “En Guardia por la Patria”.
Luisa Fernanda López Bolaños
doaj   +1 more source

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