Sökning: "distribution skewness"

Visar resultat 1 - 5 av 34 uppsatser innehållade orden distribution skewness.

  1. 1. Texture Analysis and Ultra high-frequency ultrasound in use for diagnosing Hirschsprung's disease

    Kandidat-uppsats, Lunds universitet/Avdelningen för Biomedicinsk teknik

    Författare :Sophia Klarén; Jonathan Jedhammar; [2023]
    Nyckelord :Hirschsprung s disease; Aganglionosis; UHF ultrasound; Texture analysis; Nakagami; Skewness; Kurtosis; Technology and Engineering;

    Sammanfattning : An investigation into the use of statistical texture analysis in combination with ultra high-frequency ultrasound for diagnosing Hirschsprung’s disease (HD); An illness that manifests itself through the absence of ganglia cells in lower parts of the intestine. Current diagnostic techniques carry a higher risk of long-term consequences in newborns and children which enables a new avenue of research into new methods. LÄS MER

  3. 2. Möjligheten att använda Apples LiDAR-sensor för mättekniska tillämpningar

    Kandidat-uppsats, Högskolan i Gävle/Samhällsbyggnad

    Författare :Hugo Dalhammer; Erik Jensen; [2022]
    Nyckelord :Lidar; P50; BIM; Faramoon; Laser-Scanning; LiDAR; Leica P50; BIM; Faramoon; Laserskanning;

    Sammanfattning : Framtagandet av byggnadsinformationsmodeller (BIM) sker på många olika sätt och blir allt vanligare i dagens samhälle. I dagsläget sker datainsamlingen för att skapa en BIM med hjälp av terrester och flygburen laserskanning vilket gör det till en dyr och tidskrävande process. LÄS MER

  4. 3. Considering Tail Events in Hedge Fund Portfolio Optimization

    Master-uppsats, Linköpings universitet/Produktionsekonomi

    Författare :Josefin Bladh; Holm Greta; [2021]
    Nyckelord :Portfolio Optimization; Hedge Funds; Tail Events; Mean-CVaR;

    Sammanfattning : The Fourth Swedish National Pension Fund (AP4), as well as many other large investors, has noted deficiencies the Mean-Variance framework for portfolio management of asset with non-normal characteristics. The main problem apparent in the Mean-Variance framework, when investing in alternative assets such as hedge funds, is the lacking systematic control of the balance between the measurements of risk due normal variation and tail-risk. LÄS MER

  5. 4. A study incorporating skewness in Expected Shortfall Estimation

    Magister-uppsats, Lunds universitet/Nationalekonomiska institutionen

    Författare :Sreeja Madhavi Prajeesh; [2021]
    Nyckelord :Value at Risk; Expected shortfall; normal distribution; student t-distribution; skewed student t-distribution.; Business and Economics;

    Sammanfattning : Expected Shortfall has become a prominent risk measure after the global financial crisis which hit the economy in 2007. This master thesis examines whether Expected Shortfall (ES) estimation gives better estimates when we incorporate skewness and the impact during turbulent versus tranquil period. LÄS MER

  7. 5. The personalization-privacy paradox: personalized ads on social media : Exploring invasive ads on social media, in relation to perceived usefulness, consumer privacy and trust

    Magister-uppsats, Linnéuniversitetet/Institutionen för marknadsföring (MF)

    Författare :Oliver Hillqvist; Amanda Johnsson Östergren; [2020]
    Nyckelord :Privacy; trust; social media; invasiveness; usefulness; personalized marketing;

    Sammanfattning : Background: In the realm of online digital marketing, personalization tailored around the user’s interests are becoming the norm. It is becoming more and more challenging for marketers to get the attention of relevant consumers and get heard through all the noise. LÄS MER