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741
GA-Attention-Fuzzy-Stock-Net: An optimized neuro-fuzzy system for stock market price prediction with genetic algorithm and attention mechanism
Published 2025-02-01“…The findings provide valuable insights for practitioners in financial markets and contribute to the advancement of hybrid intelligent systems for time series prediction. The model's superior performance is attributed to its unique integration of evolutionary optimization, attention-based feature selection, and fuzzy logic's ability to handle uncertainty in financial data.…”
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742
Reappraising double pendulum dynamics across multiple computational platforms
Published 2025-02-01“…These were solved numerically using the efficient Runge-Kutta-Fehlberg method, implemented in Python, R, GNU Octave, and Julia, while runtimes and memory usage were extensively benchmarked across these environments. Time series analyses, including the calculation of Shannon entropy and the Kolmogorov - Smirnov test, quantified the system's unpredictability and sensitivity to infinitesimal perturbations of the initial conditions. …”
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743
Forecasting of Energy Production for Photovoltaic Systems Based on ARIMA and ANN Advanced Models
Published 2021-01-01“…This article is dedicated to two forecasting models: (1) ARIMA (Autoregressive Integrated Moving Average) statistical approach to time series forecasting, using measured historical data, and (2) ANN (Artificial Neural Network) using machine learning techniques. …”
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744
Reinforcement learning for deep portfolio optimization
Published 2024-09-01“…Additionaly, it was crucial to simultaneously consider the time series and complex asset correlations of financial market information. …”
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745
Stock Market Temporal Complex Networks Construction, Robustness Analysis, and Systematic Risk Identification: A Case of CSI 300 Index
Published 2020-01-01“…So, the stock data of the CSI 300 were chosen and divided into two time series, prepared for analysis via network theory. …”
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746
New Polarization Basis for Polarimetric Phased Array Weather Radar: Theory and Polarimetric Variables Measurement
Published 2012-01-01“…In addition, the estimates of these parameters based on the time series data acquired with the new polarization basis are also investigated. …”
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747
Bivariate EMD-Based Data Adaptive Approach to the Analysis of Climate Variability
Published 2011-01-01“…This paper presents a data adaptive approach for the analysis of climate variability using bivariate empirical mode decomposition (BEMD). The time series of climate factors: daily evaporation, maximum and minimum temperatures are taken into consideration in variability analysis. …”
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748
Short‐Term Prediction of the Dst Index and Estimation of Efficient Uncertainty Using a Hybrid Deep Learning Network
Published 2024-12-01“…The proposed model achieves excellent scalability by extracting representative embeddings from the Dst index time series through an encoder‐decoder framework and integrating these with external solar wind parameters via a prediction network. …”
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749
Temporal and spatial co-occurrence of pacific oyster mortality and increased planktonic Vibrio abundance
Published 2025-02-01“…In Port Stephens, Australia, we characterized the microbial community and quantified the abundance of total Vibrio, Vibrio harveyi, and Vibrio parahaemolyticus in a (i) 27-month seawater planktonic microbial time-series; (ii) samples of Pacific oysters (Crassostrea gigas) during a mortality event and (iii) seawater samples following the mortality event. …”
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750
Assessment of Meteorological Drought in Korea under Climate Change
Published 2016-01-01“…To analyze the effect of climate change, spatial distribution of drought in the future is analyzed using the SPI time series calculated from Representative Concentration Pathways (RCPs) scenarios and HADGEM3-RA regional climate model. …”
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751
Bifurcation Analysis and Synchronous Patterns between Field Coupled Neurons with Time Delay
Published 2022-01-01“…Then, the synchronization patterns of two HR neurons with different stimulation are analyzed by error diagrams and time series diagrams. It is confirmed that the synchronous pattern has certain regularity and is related not only to the neurons with large stimulation current but also to the time delay and coupling gain. …”
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752
Evaluation of the Fluctuation Mechanism of Behavioral Financial Market Based on Edge Computing
Published 2022-01-01“…Analysis of the volatility characteristics of financial markets must give priority to the analysis of financial chronological order. Financial time series are characterized by differences in financial markets, which are indeterminate orders, and the analysis of their fluctuations becomes crucial for stimulating the microstructure of financial behavior markets. …”
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753
Climate Predictions: The Chaos and Complexity in Climate Models
Published 2014-01-01“…Finally, we have explored possible differences in complexities of two global and two regional climate models using their air temperature and precipitation output time series. The complexities were obtained with the algorithm for calculating the Kolmogorov complexity.…”
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754
Meta Learning Strategies for Comparative and Efficient Adaptation to Financial Datasets
Published 2025-01-01“…This research proposes a Meta learning framework for financial time series forecasting, designed to rapidly adapt to novel market conditions with minimal retraining. …”
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755
Quadratic magnetic gradients from seven- and nine-spacecraft constellations
Published 2025-01-01“…This study focuses on deriving both linear and quadratic spatial gradients of the magnetic field using data from the nine-spacecraft (9S/C) HelioSwarm or seven-spacecraft (7S/C) Plasma Observatory constellations. Time series magnetic measurements, combined with transformations between reference frames, were employed to determine the apparent velocity of the magnetic structure and the quadratic magnetic gradient components along the direction of motion. …”
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756
Agricultural Credit Policy and Livestock Development in Nigeria
Published 2023-09-01“…This research aimed to provide empirical information on the relationship between the livestock production index and the credit policy environment in Nigeria. Time series data were used, and an autoregressive distributed lag (ARDL) bound test approach was adopted to establish the presence of co-integration among series. …”
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757
Empirical mode decomposition analysis of climate changes with special reference to rainfall data
Published 2006-01-01“…We have used empirical mode decomposition (EMD) method, which is especially well fitted for analyzing time-series data representing nonstationary and nonlinear processes. …”
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758
The Hybrid KICA-GDA-LSSVM Method Research on Rolling Bearing Fault Feature Extraction and Classification
Published 2015-01-01“…The whole paper aims to classify the feature vectors extracted from the time series and magnitude of spectral analysis and to discriminate the state of the rolling element bearings by virtue of multiclass LSSVM. …”
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759
A New Decomposition Ensemble Learning Approach with Intelligent Optimization for PM2.5 Concentration Forecasting
Published 2020-01-01“…First, we utilize EEMD to decompose original time series of PM2.5 concentrations into a specific amount of independent intrinsic mode functions (IMFs) and residual term. …”
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760
Forecast of Chaotic Series in a Horizon Superior to the Inverse of the Maximum Lyapunov Exponent
Published 2018-01-01“…In this article, two models of the forecast of time series obtained from the chaotic dynamic systems are presented: the Lorenz system, the manufacture system, and the volume of the Great Salt Lake of Utah. …”
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