-
621
Enhancing Smart Grids for Sustainable Energy Transition and Emission Reduction with Advanced Forecasting Techniques
Published 2024-12-01“…Results show that the proposed approach successfully handles time series data to detect future CO2 emissions excess and outperforms state-of-the-art techniques.…”
Get full text
Article -
622
Estimating Climate Trends: Application to United States Plant Hardiness Zones
Published 2012-01-01“…I outline a multistep methodology involving imputation of missing station values, geostatistical interpolation, and time series smoothing to update a climate variable’s expected value compared to a climatology period and apply it to estimating annual minimum temperature change over the coterminous United States. …”
Get full text
Article -
623
Harmonic Impact of Plug-In Hybrid Electric Vehicle on Electric Distribution System
Published 2016-01-01“…The PHEV is modeled as a current harmonic source by using the Open-Source Distribution System Simulator (OpenDSS) and DSSimpc software. Time series harmonic simulation was conducted to investigate the harmonic impact of PHEV on the system by using harmonic data obtained from a real electric vehicle. …”
Get full text
Article -
624
Temperature Variability over the Po Valley, Italy, according to Radiosounding Data
Published 2015-01-01“…Two datasets, considered to describe intra- and interannual oscillations, respectively, were extracted from the measurements data and the results show that both types of fluctuations can be projected onto four empirical orthogonal functions (EOFs), interpreted as vertical distributions of oscillation amplitudes and four uncorrelated time series that represent the evolution of corresponding EOFs. …”
Get full text
Article -
625
Real-time event detection using recurrent neural network in social sensors
Published 2019-06-01“…Second, an event detection model using a recurrent neural network is employed to learn time series data features by extracting temporal information. …”
Get full text
Article -
626
Non-traditional data to inform modern climate science
Published 2025-02-01“…Even though the modern instrument-based record of Earth observations reflects decades of critical work, multi-century time series may be required to understand and forecast key elements of Earth system dynamics. …”
Get full text
Article -
627
An Analysis of the Economic Impact of US Presidential Elections Based on Principal Component and Logical Regression
Published 2021-01-01“…At the same time, the future economic development of the United States and China based on the time series prediction model is forecast and analyzed, respectively. …”
Get full text
Article -
628
AN ANALYSIS OF THE DYNAMICS OF INVESTMENT SAVING AND ECONOMIC GROWTH IN TURKEY: 1950-2004
Published 2007-12-01“…The methodology we applied depends on the time series econometric techniques which include analyzing the stationarity of the variables, cointegration, vector error correction mechanism, and Granger causality and vector auto regressive models with impulse-response and variance decomposition techniques. …”
Get full text
Article -
629
Air quality investigation using functional data analysis methods
Published 2023-11-01“…The analysis employs data smoothing, principal component analysis (PCA), exploratory data analysis, hypothesis testing, and time series analysis to provide a thorough examination. …”
Get full text
Article -
630
Modeling and Prediction of Momentum Wheel Speed Data
Published 2020-01-01“…The long data sequence is converted into multidimensional time series, based on the equal interval data and the period. …”
Get full text
Article -
631
The Effect of the Financial Crisis on Investment Projects Case Study: Kurdistan Region of Iraq
Published 2021-12-01“…To accomplish this objective the statistical technique and economic analysis was applied for annual time series data from 2006 to 2017 by applying the compound annual growth rate Gordon growth model (CAGR). …”
Get full text
Article -
632
DEATHS FROM SUICIDE IN FINLAND FROM 2016 TO 2023
Published 2024-11-01“…ABSTRACT Objectives: Suicides have been recorded in Finland since 1751, which forms the longest uninterrupted time series on this topic in the world. Suicide mortality has been decreasing in Finland since 1990. …”
Get full text
Article -
633
Online Bayesian Data Fusion in Environment Monitoring Sensor Networks
Published 2014-04-01“…We briefly review the errors on the data transfer channel between the sensor quantifying the physical phenomenon and the fusion node, and a discrete K -ary input and K -ary output channel is presented to model the data transfer channel, where K is the number of quantification levels at the sensor. Then, discrete time series models are used to estimate the mean value of the physical phenomenon, and the estimation error is modeled as a Gaussian process. …”
Get full text
Article -
634
A Novel Optimized Nonlinear Grey Bernoulli Model for Forecasting China’s GDP
Published 2019-01-01“…The nonlinear grey Bernoulli model, abbreviated as NGBM(1,1), has been successfully applied to control, prediction, and decision-making fields, especially in the prediction of nonlinear small sample time series. However, there are still some problems in improving the prediction accuracy of NGBM(1,1). …”
Get full text
Article -
635
Machine Learning with Variable Sampling Rate for Traffic Prediction in 6G MEC IoT
Published 2022-01-01“…We first investigate a VSR-NLMS adaptive prediction method to perform time series prediction dataset transformation. Then, we propose a VSR-LSTM algorithm for real-time prediction of network traffic. …”
Get full text
Article -
636
An Intercomparison between ERA-Interim Reanalysis and Observed Precipitation in Northeast China
Published 2015-01-01“…In terms of temporal characteristics, the time series of the ERA-Interim precipitation matches well with the observed precipitation in whole. …”
Get full text
Article -
637
Hybrid Deep Learning for Gas Price Prediction Using Multi-Factor and Temporal Features
Published 2025-01-01“…In this paper, we innovatively apply k-means clustering to analyze the correlations of multiple factors affecting natural gas prices and design a hybrid deep learning model that integrates both multi-factor and time series features. Through experimental validation on three public datasets, our proposed model achieves industry-leading predictive performance with a mean squared absolute error of 2.27, which is approximately a 1/3 improvement over the current state-of-the-art methods.…”
Get full text
Article -
638
An Improved Grey Model with Time Power and Its Application
Published 2022-01-01“…The grey system model with time power, which is often called the GM(1,1, tα), appeals considerable interest of research due to its effectiveness in time series forecasting. Aimed to improve further the GM(1,1, tα) model, this paper introduces a new whitening equation with variable coefficient into the original whitening equation which extends applicable scope; as a result, an improved grey model with time power, namely, OGM(1,1, tα), is proposed. …”
Get full text
Article -
639
Environmental degradation and food security in Somalia
Published 2025-02-01“…The autoregressive distributed lag (ARDL) model was utilized with annual time-series data from 1990 to 2019. The empirical results show significant negative impacts of environmental degradation and gross domestic product (GDP) on food security, persisting in the short and long terms. …”
Get full text
Article -
640
An Improved ARIMA-Based Traffic Anomaly Detection Algorithm for Wireless Sensor Networks
Published 2016-01-01“…Specifically, we improve the traditional time series ARIMA model to make traffic prediction and judge the traffic anomaly in a WSN. …”
Get full text
Article