Showing 181 - 200 results of 203 for search '"time series analysis"', query time: 0.07s Refine Results
  1. 181

    Effect of Covid-19 on maternal and child health services utilization in Ghana. Evidence from the National Health Insurance Scheme (NHIS). by Yaw Nyarko Opoku-Boateng, Emmanuel Opoku-Asante, Mylene Lagarde, Edward Nketiah-Amponsah

    Published 2024-01-01
    “…Segmented regression analysis as an interrupted time series analysis was employed to assess the effect of the pandemic on utilization of services.…”
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    Article
  2. 182
  3. 183

    Models for Processing Nighttime Light Data and Software Development by Yufeng Qu, Long Li, Xuqing Li, Runya Li, Man Liu, Yushuai Wei, Yongjian Huang

    Published 2025-01-01
    “…However, the differences in sensor calibration and sensitivity to faint lights between the two satellites prohibit the merging of these two datasets into a longer one, which limits their further application in long-term time series analysis (1992 - present). Here, we provide correction models for the two datasets. …”
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  4. 184

    Estimating and forecasting bitcoin daily prices using ARIMA-GARCH models by Quang Phung Duy, Oanh Nguyen Thi, Phuong Hao Le Thi, Hai Duong Pham Hoang, Khanh Linh Luong, Kim Ngan Nguyen Thi

    Published 2024-10-01
    “…Originality/value – The study used partially processed secondary data to fit for time series analysis using the ARIMA (12,1,12)-GARCH(1,1) model and hence reliable and conclusive results.…”
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  5. 185

    Early prediction of Li-ion cell failure from EIS derived from current–voltage time series by M T Wilson, V Farrow, C J Dunn, L Cowie, M J Cree, J Bjerkan, A Stefanovska, J B Scott

    Published 2025-01-01
    “…The results imply upcoming failure may be detectable from time series analysis weeks before any noticeable drop in cell performance.…”
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    Article
  6. 186

    Air Pollution and COPD: Unveiling Hidden Risks of Mortality, Mechanical Ventilation, and Prolonged Hospitalization by Jovan Javorac, Dejan Živanović, Miroslav Ilić, Ana Milenković, Emilija Vujičić, Dragica Kovačević, Jelena Zvekić-Svorcan, Darko Mikić, Svetlana Stojkov, Jasminka Bačevac Eminović, Marija Jevtić

    Published 2025-01-01
    “…Using a five-year time-series analysis, concentrations of selected air pollutants (PM<sub>10</sub>, PM<sub>2.5</sub>, SO<sub>2</sub>, and NO<sub>2</sub>) and meteorological data were integrated with hospitalization outcomes. …”
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  7. 187

    Standardization in the management of gram-negative bloodstream infections after implementation of a clinical care guideline at a large academic, safety-net institution: a quasi-exp... by Michael A. Deaney, Katherine C. Shihadeh, Alexandra Craig, Margaret M. Cooper, Paul D. Paratore, Timothy C. Jenkins

    Published 2025-01-01
    “…Results: The study included 147 patients pre-intervention and 169 post-intervention. Interrupted time series analysis showed a reduction in the median duration of therapy (–2.3 days, P = .0016), with a sustained decline (slope change –0.2103, P = .005) post-intervention. …”
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  8. 188

    Heightened demand for mental health information resources during the SARS-CoV-2 pandemic in Germany: A retrospective longitudinal analysis of helpline calls by Jil Zippelius, Simon Schreynemackers, Ulrich Hegerl, Hanna Reich

    Published 2025-04-01
    “…This study investigated the impact of the SARS-CoV-2 pandemic on hotline usage trends through a time-series analysis. Methods: Based on longitudinal data from 2018 to 2022 predictive models were developed for caller trends on the Info-Telefon Depression. …”
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  9. 189

    Cold temperature-related attributable risk for emergency circulatory hospitalizations, length of stay, and healthcare costs in Hong Kong by Eliza Lai-Yi Wong, Hong Qiu

    Published 2025-02-01
    “…Methods: This ecologic time series analysis linked the daily circulatory EHA count and LOS from the Hong Kong Hospital Authority with the environmental exposures from the fixed monitoring stations from 2004 to 2019. …”
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  10. 190

    Trends and cost structure of drug-based secondary prevention of ischemic strokes by Konstantin Kohlhase, Ferdinand O. Bohmann, Christian Grefkes, Adam Strzelczyk, Laurent M. Willems

    Published 2025-01-01
    “…DDD development between 2004 and 2021 was further evaluated for significant trend changes using an interrupted time series analysis. Results The study included 422 patients (70.5 ± 12.9 years, 43.1% female). …”
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  11. 191

    Lake Iriqui’s Remarkable Revival: Field Observations and a Google Earth Engine Analysis of Its Recovery After over Half a Century of Desiccation by Adil Moumane, Tarik Bahouq, Ahmed Karmaoui, Dahmane Laghfiri, Mohamed Yassine, Jamal Al Karkouri, Mouhcine Batchi, Mustapha Faouzi, Mohamed Boulakhbar, Ali Ait Youssef

    Published 2025-01-01
    “…The revival was monitored using satellite imagery from Landsat 8 and 9 and Sentinel-2A, processed through Google Earth Engine (GEE), with the Normalized Difference Water Index (NDWI) applied to detect water presence. A time-series analysis revealed significant changes in the lake’s surface water extent following the rainfall. …”
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  12. 192

    Particle Size-Dependent Monthly Variation of Pollution Load, Ecological Risk, and Sources of Heavy Metals in Road Dust in Beijing, China by Cong Men, Donghui Li, Yunqi Jing, Ke Xiong, Jiayao Liu, Shikun Cheng, Zifu Li

    Published 2025-01-01
    “…The advanced three-way model and wavelet analysis were used in quantitative identification and time-series analysis of sources. Results showed that both the pollution load and ecological risk of most heavy metals showed a decreasing trend from the finest fraction (P1) to the coarsest fraction (P5). …”
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  13. 193

    The impact of COVID-19 on global health journals: an analysis of impact factor and publication trends by Hao Li, Don Eliseo Lucero-Prisno, Jiaxin He, Xinliang Liu, Xinyang Lu, Meiling Zhong, Changli Jia, Zheng Feei Ma

    Published 2023-04-01
    “…The JIFs from 2019 to 2021 were simulated for longitudinal and cross-sectional analyses. Interrupted time-series analysis and non-parametric tests were applied to assess whether COVID-19 had decreased non-COVID-19 publications from January 2018 to June 2022.Results In 2020, 615 out of 3223 publications were COVID-19 related, accounting for 19.08%. …”
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  14. 194

    Classification of Cigarette Types Using Computer Vision: An Analysis of Smoke Aggregation Features by Shishuan Guan, Lei Jiao, Zengyu Wang, Xiaofei Ji, Hongwei Zheng, Cunfeng Yu, Hongtao Li, Liwen Zheng, Shuaishuai Sun, Qiang Sun, Jun Li, Guangwei Jiang, Kezhi Wu, Erge Lin, Xinlong Zhang

    Published 2025-01-01
    “…This method, combined with time series analysis, not only improved the accuracy, but also gave us insight into the time-dependent behavior of the smoke, ultimately achieving an accuracy of 81.6%. …”
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  15. 195

    Sanming Model of Medical Service Integration: Impact on Medical Expenditures, Service Provision, and Resource Allocation in China by Lin K, Liu X, Xiang L, Luo F

    Published 2025-01-01
    “…This study evaluates the model’s impact on medical expenditures, service provision, and resource allocation.Methods: We conducted an interrupted time series analysis on outcome variables related to medical expenditures, service provision, and resource allocation in Sanming City. …”
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  16. 196

    Multi-Feature Driver Variable Fusion Downscaling TROPOMI Solar-Induced Chlorophyll Fluorescence Approach by Jinrui Fan, Xiaoping Lu, Guosheng Cai, Zhengfang Lou, Jing Wen

    Published 2025-01-01
    “…Additionally, a time series analysis of Shandong Province’s wheat-growing areas revealed a strong correlation (R<sup>2</sup> > 0.8) between SIF and multiple vegetation indices, underscoring its utility for regional crop monitoring.…”
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  17. 197

    Digital mapping of soil salinity with time-windows features optimization and ensemble learning model by Shuaishuai Shi, Nan Wang, Songchao Chen, Bifeng Hu, Jie Peng, Zhou Shi

    Published 2025-03-01
    “…Recursive feature elimination has shown a gradually increasing trend in the importance of SAR features from single-temporal to multi-temporal to time-series data. The time-series analysis combined with feature selection not only significantly reduced data volumes, but also improved the prediction accuracy of the model—increased R2 of the prediction set was improved by 0.11, and a reduced root mean square error of 3.08 g kg−1, compared to single-temporal data. …”
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  18. 198

    Prospective multi-centre analysis of rural trauma team development training for medical trainees and traffic law enforcement professionals in Uganda: an interrupted time series stu... by Herman Lule, Micheal Mugerwa, Robinson Ssebuufu, Patrick Kyamanywa, Jussi P. Posti, Michael Lowery Wilson

    Published 2025-01-01
    “…Methods Prospective multi-centre interrupted time series analysis of an interventional training based on the 4th edition of rural trauma team development course of the American College of Surgeons. …”
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  19. 199

    The association between short-term apparent temperature exposure and human coagulation: A time-series study from Beijing, 2014–2023 by Yi Zhang, Tiancheng Wang, Jiaqi Shi, Ying Ma, Nairui Yu, Xinyan Zhou, Pai Zheng, Zhangjian Chen, Guang Jia

    Published 2025-01-01
    “…In this study, we conducted a time series analysis using data from 18,894 participants collected from a health check-up center in Beijing between 2014 and 2023, and validated our findings using 20,549 participants from an andrology outpatient clinic. …”
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  20. 200

    Explore the evolution of winter wheat production and its response to climate change under varying precipitation years in the Loess Plateau of China by Donglin Wang, Yanbin Li, Binbin Zhang, Tengcong Jiang, Siyu Wu, Wenjie Wu, Yi Li, Jianqiang He, Deli Liu, Qinge Dong, Hao Feng

    Published 2025-03-01
    “…In this study, parameters of APSIM-Wheat model were refined based on experimental data. Time series analysis showed that the winter wheat yields in the Loess Plateau exhibit periodic fluctuation, with a shorter fluctuation period under the SSP245 scenario compared to the SSP585 scenario, indicating an overall upward trend. …”
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