نتایج جستجو برای: recurrent ssa forecasting algorithm

تعداد نتایج: 917998  

2012
Yun-Hong Yu Wei Xie Yong Bao Hui-Ming Li San-Jue Hu Jun-Ling Xing

Epilepsy is one of the most common neurological disorders, yet its treatment remains unsatisfactory. Saikosaponin a (SSa), a triterpene saponin derived from Bupleurum chinensis DC., has been demonstrated to have significant antiepileptic activity in a variety of epilepsy models in vivo. However, the electrophysiological activities and mechanisms of the antiepileptic properties of SSa remain unc...

2007
N. E. GOLYANDINA

Singular Spectrum Analysis is a nonparametric method, which allows one to solve problems like decomposition of a time series into a sum of interpretable components, extraction of periodic components, noise removal and others. In this paper, the algorithm and theory of the SSA method are extended to analyse two-dimensional arrays (e.g. images). The 2D-SSA algorithm based on the SVD of a Hankel-b...

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: :international journal of industrial engineering and productional research- 0
mehdi mahnam department of industrial engineering, amirkabir university of technology, 424 hafez avenue, tehran, iran seyyed mohammad taghi fatemi ghomi professor of industrial engineering, amirkabir university of technology, 424 hafez avenue, tehran, iran

fuzzy time series have been developed during the last decade to improve the forecast accuracy. many algorithms have been applied in this approach of forecasting such as high order time invariant fuzzy time series. in this paper, we present a hybrid algorithm to deal with the forecasting problem based on time variant fuzzy time series and particle swarm optimization algorithm, as a highly effici...

Journal: :Jurnal Matematika Statistik dan Komputasi 2021

The Singular Spectrum Analysis (SSA)-Autoregressive Integrated Moving Average (ARIMA) hybrid method is a good combination of forecasting methods to improve accuracy and suitable for economic data that tends have trend seasonal patterns, one which inflation data. purpose this study obtain the results East Kalimantan Province in 2021 using SSA-ARIMA model. SSA-ARIMA(1,1,1) model overall experienc...

2007
Hossein Hassani

In recent years Singular Spectrum Analysis (SSA), used as a powerful technique in time series analysis, has been developed and applied to many practical problems. In this paper, the performance of the SSA technique has been considered by applying it to a well-known time series data set, namely, monthly accidental deaths in the USA. The results are compared with those obtained using Box-Jenkins ...

Journal: :Neuroendocrinology 2010
Leo J Hofland Steven W J Lamberts Richard A Feelders

Normal and tumoral pituitary corticotropic cells express sst(2) and sst(5), of which sst(5) is the predominantly expressed receptor subtype. Somatostatin (SS) inhibits pituitary adrenocorticotropin hormone (ACTH) secretion in vitro, but the sensitivity to SS is strongly regulated by glucocorticoids. In pathological conditions of a low endogenous cortisol level, i.e. in patients with adrenal ins...

Journal: :Sustainability 2023

Solar photovoltaic (SPV) power penetration in dispersed generation systems is constantly rising. Due to the elevated SPV causing a lot of problems system stability, sustainability, reliable electricity production, and quality, it critical forecast using climatic parameters. The suggested model built with meteorological conditions as input parameters, effects such variables on predicted have bee...

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