Sökning: "Tree-Based Methods"

Visar resultat 1 - 5 av 35 uppsatser innehållade orden Tree-Based Methods.

  1. 1. Machine learning for molecular property prediction and drug safety

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

    Författare :Kinga Jenei; [2023-10-23]
    Nyckelord :Molecular property prediction; Acid dissociation constant; pKa; Machine learning; Graph Neural Networks; Molecular descriptors; Drug Discovery;

    Sammanfattning : Utilizing machine learning methods for the prediction of acid dissociation (pKa ) values of compounds holds great significance, as pKa is an important parameter, optimized frequently in drug discovery. Accurate prediction of pKa values could potentially provide valuable insights on other molecular properties and thereby support compound design. LÄS MER

  3. 2. Can Machine Be a Good Stock Picker?: Bridging the Gap between Fundamental Data and Machine Learning

    D-uppsats, Handelshögskolan i Stockholm/Institutionen för finansiell ekonomi

    Författare :Tomoya Narita; Povilas Stankevicius; [2023]
    Nyckelord :Machine Learning; XGBoost; Relative Valuation; Convergence Trade;

    Sammanfattning : We investigate the efficacy of historical accounting data and consensus forecasts for relative valuation of stocks, employing tree-based machine learning methods. We run an XGBoost model for monthly cross-sections of financial and pricing data of US equities from 1984 to 2021. LÄS MER

  4. 3. Lönsamhet i skogsmarksgödsling för privata markägare i norra Sverige : en jämförelse av lönsamheten i två olika gödslingsstrategier

    Uppsats för yrkesexamina på avancerad nivå, SLU/Dept. of Forest Economics

    Författare :Carl Sköld; [2023]
    Nyckelord :annuitet; gödsling; Internränta; Klimatsmart; Koldioxid; Miljö; nettonuvärde; Privat skogsägare; Skogsbruk;

    Sammanfattning : Idag involveras åtskilliga sektorer inom bioekonomin med skogsråvaran som bas, bland annat sektorer inom textilier, konstruktion, biopharma och kemikalier. Den globala efterfrågan på skogsråvaran är hög. LÄS MER

  5. 4. Effectivisation of keywords extraction process : A supervised binary classification approach of scraped words from company websites

    Uppsats för yrkesexamina på avancerad nivå, Umeå universitet/Institutionen för matematik och matematisk statistik

    Författare :Josef Andersson; Max Fremling; [2023]
    Nyckelord :Machine learning; keyword classification; unbalanced data; word embedding;

    Sammanfattning : In today’s digital era, establishing an online presence and maintaining a well-structured website is vitalfor companies to remain competitive in their respective markets. A crucial aspect of online success liesin strategically selecting the right words to optimize customer engagement and search engine visibility. LÄS MER

  7. 5. Exploring the Importance of Women's Educational Attainment in HIV Risk Prediction : A Comparative Study of Logistic Regression, Random Forest and XGBoost

    Kandidat-uppsats, Uppsala universitet/Statistiska institutionen

    Författare :Towe Wallkulle; [2023]
    Nyckelord :;

    Sammanfattning : Due to extensive HIV testing and treatment programs, the rate of new HIV infections has declined in recent years. However, young women South of the Sahara continue to be disproportionately burdened by the epidemic. The aim of this thesis is to explore the complex association between women's educational attainment and HIV prevalence. LÄS MER