Showing 421 - 440 results of 1,176 for search '"time series"', query time: 0.09s Refine Results
  1. 421

    A CNN-LSTM-Based Model to Forecast Stock Prices by Wenjie Lu, Jiazheng Li, Yifan Li, Aijun Sun, Jingyang Wang

    Published 2020-01-01
    “…Stock price data have the characteristics of time series. At the same time, based on machine learning long short-term memory (LSTM) which has the advantages of analyzing relationships among time series data through its memory function, we propose a forecasting method of stock price based on CNN-LSTM. …”
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  2. 422

    Suicide Research and Adolescent Suicide Trends in New Zealand by Said Shahtahmasebi

    Published 2008-01-01
    “…Suicide time series appear to have a memory compounded with seasonal and cyclic effects. …”
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  3. 423

    Statistical Prediction of the South China Sea Surface Height Anomaly by Caixia Shao, Weimin Zhang, Chunjian Sun, Xinmin Chai, Zhimin Wang

    Published 2015-01-01
    “…Analysis results demonstrate that the SODA SSHA time series are significantly correlated to the AVISO SSHA time series in SCS. …”
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  4. 424

    Monitoring and Assessing the Changes in the Coverage and Decline of Oak Forests in Lorestan Province using Satellite Images and BFAST Model by hengameh shiravand, Shahriar Khaledi, Saeed Behzadi, Hojjat Allah sanjabi

    Published 2020-06-01
    “…A proposed method for identifying a general change in time series is use the BFAST model, which, by analyzing the time series in the process, season, and residual components, identifies the changes in the time series and also repeatedly estimates the time and amount of the changes, and The path and amount of variation in this study, using this model and satellite images to monitor and evaluate the changes in coverage and decline of oak forests in Lorestan province during the statistical period (2000-2017). …”
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  5. 425

    Artificial Neural Network Modeling for Spatial and Temporal Variations of Pore-Water Pressure Responses to Rainfall by M. R. Mustafa, R. B. Rezaur, H. Rahardjo, M. H. Isa, A. Arif

    Published 2015-01-01
    “…To investigate applicability of the model for prediction of spatial and temporal variations of pore-water pressure, the model was tested for the time series data of pore-water pressure at multiple soil depths (i.e., 0.5 m, 1.1 m, 1.7 m, 2.3 m, and 2.9 m). …”
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  6. 426

    An Improved Demand Forecasting Model Using Deep Learning Approach and Proposed Decision Integration Strategy for Supply Chain by Zeynep Hilal Kilimci, A. Okay Akyuz, Mitat Uysal, Selim Akyokus, M. Ozan Uysal, Berna Atak Bulbul, Mehmet Ali Ekmis

    Published 2019-01-01
    “…For this purpose, historical data can be analyzed to improve demand forecasting by using various methods like machine learning techniques, time series analysis, and deep learning models. In this work, an intelligent demand forecasting system is developed. …”
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  7. 427

    Periods of constant wind speed: how long do they last in the turbulent atmospheric boundary layer? by D. Moreno, J. Friedrich, M. Wächter, J. Schwarte, J. Peinke

    Published 2025-02-01
    “…A comparison to wind time series generated with standard synthetic wind models and to time series from ideal stationary turbulence suggests that these structures are not characteristics of small-scale turbulence but seem to be consequences of larger-scale structures of the atmospheric boundary layer and thus are multi-scale. …”
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  8. 428

    STAR‐ESDM: A Generalizable Approach to Generating High‐Resolution Climate Projections Through Signal Decomposition by Katharine Hayhoe, Ian Scott‐Fleming, Anne Stoner, Donald J. Wuebbles

    Published 2024-07-01
    “…Components are then recombined for each station or grid cell to produce a continuous, high‐resolution bias‐corrected and downscaled time series at the spatial and temporal scale of the predictand time series. …”
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  9. 429

    Cycleanalysis oftime seriesof annualprecipitationHelehandMondwatershed by yadollah balyani, Mohammad saligheh, Hossein asakereh, Mohammad Hossein Nasserzadeh

    Published 2015-09-01
    “…On this basis, the Story of annual precipitation 95 percent for each of the stations under study and cycle meaningful estimate of the time series of basin data were extracted.…”
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  10. 430

    Application of Residual-Based EWMA Control Charts for Detecting Faults in Variable-Air-Volume Air Handling Unit System by Haitao Wang

    Published 2016-01-01
    “…In order to provide a level of robustness with respect to modeling errors, control limits are determined by incorporating time series model uncertainty in EWMA control chart. …”
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  11. 431

    Spectral study of COVID-19 pandemic in Japan: The dependence of spectral gradient on the population size of the community. by Ayako Sumi, Masayuki Koyama, Manato Katagiri, Norio Ohtomo

    Published 2025-01-01
    “…For prefectures with large population sizes, PSD patterns obtained from segment time series behave in response to the introduction of public and workplace vaccination programs as predicted by theoretical studies based on the SEIR model. …”
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  12. 432

    Stability analysis of parameters of the GDP components models by Bronislava Kaminskienė, Vitalija Avdejenkova

    Published 2003-12-01
    “…The main problem is that time series are quite short and GDP is affected by results of work of single enterprises. …”
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  13. 433

    Robust and Unbiased Variance of GLM Coefficients for Misspecified Autocorrelation and Hemodynamic Response Models in fMRI by Lourens Waldorp

    Published 2009-01-01
    “…The alternative, referred to as the sandwich, is based primarily on the fact that the time series are obtained from multiple exchangeable stimulus presentations. …”
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  14. 434

    Bayesian Non-Parametric Mixtures of GARCH(1,1) Models by John W. Lau, Ed Cripps

    Published 2012-01-01
    “…However, nonstationary time series data may exhibit abrupt changes in volatility, suggesting changes in the underlying GARCH regimes. …”
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  15. 435

    Synchronization Measure Based on a Geometric Approach to Attractor Embedding Using Finite Observation Windows by Inga Timofejeva, Kristina Poskuviene, Maosen Cao, Minvydas Ragulskis

    Published 2018-01-01
    “…A simple and effective algorithm for the identification of optimal time delays based on the geometrical properties of the embedded attractor is presented in this paper. A time series synchronization measure based on optimal time delays is derived. …”
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  16. 436

    The Optimal Bandwidth Parameter Selection in GPH Estimation by Weijie Zhou, Huihui Tao, Feifei Wang, Weiqiang Pan

    Published 2021-01-01
    “…Firstly, combining with the stylized facts of financial time series, we generate long memory sequences by using the ARFIMA (1, d, 1) process. …”
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  17. 437

    SAR Radiometric Cross-Calibration Based on Multiple Pseudoinvariant Calibration Sites With Extensive Backscattering Coefficient Range by Yongsheng Zhou, Xiang Chen, Qiang Yin, Fei Ma, Fan Zhang

    Published 2025-01-01
    “…Using time-series data from Sentinel-1, the study identifies 57 stable homogeneous targets as PICS, exhibiting a wide intensity distribution and a time-series RMSE less than 0.5 dB. …”
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  18. 438

    EMD-GM-ARMA Model for Mining Safety Production Situation Prediction by Menglong Wu, Yicheng Ye, Nanyan Hu, Qihu Wang, Huimin Jiang, Wen Li

    Published 2020-01-01
    “…First of all, according to the nonstationary characteristics of the mining safety accident time series, nonstationary original time series were decomposed into high- and low-frequency signals using the EMD algorithm, which represents the overall trend and random disturbances, respectively. …”
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  19. 439

    ECG Prediction Based on Classification via Neural Networks and Linguistic Fuzzy Logic Forecaster by Eva Volna, Martin Kotyrba, Hashim Habiballa

    Published 2015-01-01
    “…We also experimented with the new method of time series transparent prediction based on fuzzy transform with linguistic IF-THEN rules. …”
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  20. 440

    Using Elman Neural Network Model to Forecast and Analyze the Agricultural Economy by Yucong You

    Published 2022-01-01
    “…To improve the accuracy of agricultural economic time series forecasting under the condition of complexity and diversity, this paper proposes an agricultural economic forecasting method based on Elman neural network structure. …”
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