Sökning: "nonlinear data"

Visar resultat 1 - 5 av 484 avhandlingar innehållade orden nonlinear data.

1. 1. Big Data Analytics for Fault Detection and its Application in Maintenance

   Författare :Liangwei Zhang; Ramin Karim; Janet Lin; Benoît Iung; Luleå tekniska universitet; []
   Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Big Data analytics; eMaintenance; fault detection; high-dimensional data; stream data mining; nonlinear data; Drift och underhållsteknik; Operation and Maintenance;

   Sammanfattning : Big Data analytics has attracted intense interest recently for its attempt to extract information, knowledge and wisdom from Big Data. In industry, with the development of sensor technology and Information & Communication Technologies (ICT), reams of high-dimensional, streaming, and nonlinear data are being collected and curated to support decision-making. LÄS MER

3. 2. Nonlinear Quantile Regression for Longitudinal Data

   Författare :Andreas Karlsson; Uppsala universitet; []
   Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; bootstrap; dependent errors; median regression; Monte Carlo simulation; panel data; repeated measures; Statistics; Statistik; Biostatistics; Biostatistik;

   Sammanfattning : The overall objective of the two papers in this thesis is to examine the properties of the weighted nonlinear quantile regression estimator for the analysis of longitudinal data. To this end, the question of which weights to be used, the bias of the estimator and the possibility to calculate confidence intervals has to be examined. LÄS MER

4. 3. Visualising Security through Computer Games : Investigating Game-Based Instruction in ICT Security:an Experimental Approach

   Författare :Kjell Näckros; Louise Yngström; Helen Armstrong; Stockholms universitet; []
   Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; ICT Security; Education; Game-Based Instruction; GBI; Computer Games; Game-Based Learning; GBL; Nonlinear; Linear; Learning Styles; Holist; Serialist; Knowledge; Vital Security Functions; VSF; Informatics; computer and systems science; Informatik; data- och systemvetenskap;

   Sammanfattning : This thesis investigates whether learning materials in the form of computer games can increase knowledge and comprehension in the area of ICT security.Through a series of experiments carried out in Sweden between the years 2000 and 2003, investigating theoretical knowledge as well as practical knowledge gained through a single-user computer game, data were collected and subjected to quantitative and qualitative analyses. LÄS MER

5. 4. Data-driven modeling of combination therapy in oncology

   Författare :Tim Cardilin; Göteborgs universitet; []
   Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Oncology; Model-Based Drug Development; Pharmacokinetics Pharmacodynamics; Nonlinear Mixed-Effects Models; Combination Therapy; Mathematical Modeling; Nonlinear Mixed-Effects Models;

   Sammanfattning : This thesis contains two manuscripts: Tumor Static Concentration Curves in Combination Therapy and Extending the Tumor Static Concentration Curve to Exposure - A Combination Therapy Example with Radiation Therapy. There is also an introductory chapter presenting some basic facts necessary to understand the appended manuscripts. LÄS MER

7. 5. Data Assimilation in Fluid Dynamics using Adjoint Optimization

   Författare :Johan Lundvall; Vladimir Kozlov; Per Weinerfelt; Matts Karlsson; Anders Szepessy; Linköpings universitet; []
   Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Data assimilation; Inverse problem; Adjoint optimization; Burgers equation; nonlinear; Landweber; Initial pressure; Euler flow; Applied mathematics; Tillämpad matematik;

   Sammanfattning : Data assimilation arises in a vast array of different topics: traditionally in meteorological and oceanographic modelling, wind tunnel or water tunnel experiments and recently from biomedical engineering. Data assimilation is a process for combine measured or observed data with a mathematical model, to obtain estimates of the expected data. LÄS MER