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Application of a data-driven XGBoost model for the prediction of COVID-19 in the USA: a time-series study
Published 2022-07-01“…A comparison between the autoregressive integrated moving average (ARIMA) model and the eXtreme Gradient Boosting (XGBoost) model was conducted to determine which was more accurate for anticipating the occurrence of COVID-19 in the USA.Design Time-series study.Setting The USA was the setting for this study.Main outcome measures Three accuracy metrics, mean absolute error (MAE), root mean square error (RMSE) and mean absolute percentage error (MAPE), were applied to evaluate the performance of the two models.Results In our study, for the training set and the validation set, the MAE, RMSE and MAPE of the XGBoost model were less than those of the ARIMA model.Conclusions The XGBoost model can help improve prediction of COVID-19 cases in the USA over the ARIMA model.…”
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Fecal microbiota is more stable during degradation and more diverse for ex situ cheetahs in Namibia compared to the USA
Published 2025-01-01“…The fresh Namibian samples (n = 8) were also used in objective two for comparison to fresh USA cheetah samples (n = 8). All samples were analyzed for bacterial community diversity and composition using 16S rRNA gene amplicon sequencing. …”
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The changing context of Jews in American Politics – 1930s to the Trump Era
Published 2019-08-01Subjects: Get full text
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Homosexuel et hétérosexuel : les termes en question
Published 2017-12-01Subjects: Get full text
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L’Heure du Gospel. Liminalité, identité et religion dans un bar gay
Published 2013-01-01Subjects: Get full text
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Disease burden comparison and associated risk factors of early- and late-onset neonatal sepsis in China and the USA, 1990–2019
Published 2024-12-01“…Methods Using data from the Global Burden of Disease Study 2019, the prevalence and incidence of early- and late-onset neonatal sepsis and the disability-adjusted life years (DALYs) due to both countries in both China and the United States of America (USA) were assessed. Furthermore, the DALYs and summary exposure values for the primary risk factors (short gestation and low birthweight) were analysed. …”
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Le Grain et la bulle : photographies du catalogue New York USA (2002) de Dolores Marat
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Wilson disease in the USA: epidemiology and real-world patient characteristics based on a retrospective observational health claims study
Published 2024-12-01“…Adjusted prevalence was calculated using age-specific prevalence standardised to the USA (2010 US census) and to the world (WHO 2000–2025) to enable comparisons across countries, using direct standardisation of prevalence estimates by age group.Results Overall, 2115 patients with WD were identified during the study period. …”
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Initiation and sustenance of small portion size consumption behavior in rural Appalachia, USA: Application of multi-theory model (MTM)
Published 2019-03-01Subjects: “…Food; multi-theory model; portion size consumption; rural Appalachia; obesity; USA…”
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Directions for the implementation of foreign experience in operative and investigative counteraction to intentional murders by criminal police units (on the example of Canada and the USA)
Published 2022-09-01“…The positive international experience of operative and investigative prevention of intentional murders is analyzed. The experience of the USA in combating criminal wrongdoing, in particular intentional murders, is considered, and three models of preventive activity are distinguished and analyzed: the model of social institutions, the model of individual safety, and the model of influence through the environment. …”
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La réponse sécuritaire de l’administration Bush : l’USA PATRIOT Act et les libertés individuelles
Published 2011-09-01Subjects: “…USA PATRIOT Act…”
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Identifying fracture-controlled resonance modes for structural health monitoring: insights from Hunter Canyon Arch (Utah, USA)
Published 2025-01-01“…., resonance frequencies, damping ratios, and mode shapes) of Hunter Canyon Arch, Utah (USA), using spectral and cross-correlation analyses of data generated from an array of nodal geophones. …”
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Ground-penetrating radar investigation of regolith thickness on a periglacial alpine summit flat, Uinta Mountains, Utah, USA
Published 2024-12-01“…This study applied ground-penetrating radar (GPR) to survey the thickness of regolith on a summit flat in the Uinta Mountains (Utah, USA). More than 500 m of GPR data were collected along transects extending from the edge of the summit flat to the crest, as well as adjacent to a deep soil pit. …”
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