Sökning: "Non-linear Time Series"

Visar resultat 1 - 5 av 39 uppsatser innehållade orden Non-linear Time Series.

1. 1. Primary Drivers of Sea Level Variability in the North – Baltic Sea Transition Using Machine Learning

   Master-uppsats, Göteborgs universitet/Institutionen för geovetenskaper

   Författare :David Ek; [2023-01-09]
   Nyckelord :;

   Sammanfattning : Global mean sea level is rising, however not uniformly. Regional deviations of sea surface height (SSH) are common due to local drivers, including surface winds, ocean density stratifications, vertical land- & crustal movements and more. LÄS MER

3. 2. Optimization of Gammasphere Data Following the Nuclear Reaction 36Ar + 24Mg → 60Zn∗

   Kandidat-uppsats, Lunds universitet/Fysiska institutionen; Lunds universitet/Partikel- och kärnfysik

   Författare :Paul Böhm; [2023]
   Nyckelord :re-calibration; Gammasphere; 54Fe; Physics and Astronomy;

   Sammanfattning : The experiment at Argonne National Laboratory aimed to study the fusion-evaporation reaction following the collision of a high-energy particle beam of 36Ar with a stationary target of 24Mg. This paper outlines the creation and implementation of an automated re-calibration procedure for the high-purity Germanium detectors comprising the Gammasphere array used for γ-ray spectroscopy in this experiment. LÄS MER

4. 3. Demand Forecasting using Machine Learning Methods: An Empirical Study on Walmart Retail Sales Forecast

   D-uppsats, Handelshögskolan i Stockholm/Institutionen för nationalekonomi

   Författare :Yongjai Lee; [2023]
   Nyckelord :Demand forecasting; machine learning; time series; LSTM; ARIMA;

   Sammanfattning : Economists put considerable effort and research into demand estimation, modeling consumer be- havior uncovering causal relationships between product attributes, consumer preferences, prices, and demand. However, demand forecasting is less explored in the economics literature. LÄS MER

5. 4. Experimental and computational analysis of the thermal degradation and the loss of strength of engineered wood-based panels

   Master-uppsats, Lunds universitet/Avdelningen för Brandteknik

   Författare :Wickramasooriyage Devmini Kularatne; [2022]
   Nyckelord :Oriented strand board; thermal decomposition; mechanical degradation; heat transfer modelling; Technology and Engineering;

   Sammanfattning : The current trends in the construction industry push toward materials that are more sustainable and environmentally friendlier than more traditional building materials such as concrete and steel. Timber and timber composites are one of the most popular materials on this list, due to both their mechanical strength and pleasant aesthetics. LÄS MER

7. 5. Ambient temperature and risk of preterm birth in three Nepalese regions from March 2019 to May 2020: a retrospective secondary data analysis using distributed lag non-linear models

   Master-uppsats, Uppsala universitet/Institutionen för kvinnors och barns hälsa

   Författare :Katharina Albert; [2022]
   Nyckelord :preterm birth; ambient temperature; neonatology; Nepal; DLNM;

   Sammanfattning : Background: Preterm birth is a global health problem which causes significant short- and long-term morbidity and mortality. Pathophysiology is not entirely clear and due to climate change environmental risk factors, such as extreme temperatures, should be considered as emerging and modifiable risk factors. LÄS MER