Sökning: "Data Models"

Visar resultat 1 - 5 av 8538 uppsatser innehållade orden Data Models.

  1. 1. Feature Selection for Microarray Data via Stochastic Approximation

    Master-uppsats, Göteborgs universitet/Institutionen för data- och informationsteknik

    Författare :Erik Rosvall; [2024-03-18]
    Nyckelord :feature selection; feature ranking; microarray data; stochastic approximation; Barzilai and Borwein method; Machine Learning; AI;

    Sammanfattning : This thesis explores the challenge of feature selection (FS) in machine learning, which involves reducing the dimensionality of data. The selection of a relevant subset of features from a larger pool has demonstrated its effectiveness in enhancing the performance of various machine learning algorithms. LÄS MER

  3. 2. ”INGEN VILL JU HA EN SHORT GUY”. En kvalitativ intervjustudie om hur unga män uppfattar och upplever sig påverkas av utseendenormer på Instagram

    Kandidat-uppsats, Göteborgs universitet/Institutionen för journalistik, medier och kommunikation

    Författare :Cornelia Nilsson; Claudia Saksa; [2024-03-12]
    Nyckelord :Utseendeideal; skönhetsideal; sociala medier; Instagram; unga män; påverkan; hegemonisk maskulinitet;

    Sammanfattning : Throughout history, beauty ideals have existed as a societal construct, but the recent phenomenon lies in the rapid and widespread dissemination of these ideals through social media. Platforms like Instagram encourage user interaction, fostering a specific type of content. LÄS MER

  4. 3. Förändringsvindar: En fallstudie av hur EU:s utsläppshandelssystem formar investeringar hos svenska rederier

    Kandidat-uppsats, Göteborgs universitet/Företagsekonomiska institutionen

    Författare :Alexandra Thomasson; Emma Karlsson; Sebastian Kippel; [2024-03-07]
    Nyckelord :EU ETS; maritime industry; carbon neutrality; Fit For 55.;

    Sammanfattning : On January 1st 2024 the maritime industry was introduced to the European Union Emission Trading System (EU ETS). The maritime and its shipping companies are now facing a significant change in the way of operating as there is now a price on something that previously was free of charge. LÄS MER

  5. 4. Does industry survey data improve GDP forecasting?

    Kandidat-uppsats, Göteborgs universitet/Företagsekonomiska institutionen

    Författare :Oscar Andersson; Ludvig Fornstedt; [2024-03-06]
    Nyckelord :Bayesian; BVAR; Forecasting; GDP; survey data;

    Sammanfattning : This study assesses the integration of industry survey data into Bayesian Vector Auto Regressive (BVAR) models for GDP forecasting in Sweden. Analyzing a combination of macro economic indicators, CPI and unemployment rates, with survey data from NIER, it explores the effects of different variable combinations on the forecasting ability of different models. LÄS MER

  7. 5. Exploring Automated Early Problem Identification Based on Diagnostic Trouble Codes

    Master-uppsats, Institutionen för tillämpad informationsteknologi

    Författare :Mathias Forsman; Yihan Yang; [2024-03-05]
    Nyckelord :Automotive Industry; Early Problem Identification; Diagnostic Trouble Code; Case Study; Laboratory Experiment ; Machine Learning; Linear Regression; K-means Clustering;

    Sammanfattning : In the current automotive industry, problem identification is a reactive process. It starts when the customer experiences a vehicle problem and goes to the workshop. Subsequently, all the problem-related data will be collected from the workshop and forwarded to the vehicle manufacturer. LÄS MER