Essays about: "unbalanced data"

Showing result 11 - 15 of 102 essays containing the words unbalanced data.

  1. 11. Evaluating Bag Of Little Bootstraps On Logistic Regression With Unbalanced Data

    University essay from Uppsala universitet/Statistiska institutionen

    Author : Henrik Bark; [2023]
    Keywords : Bootstrapping; Logistic Regression; Bag of Little Bootstraps; BLB; Penalized Maximum Likelihood Estimation; PMLE;

    Abstract : The Bag of Little Bootstraps (BLB) was introduced to make the bootstrap method more computationally efficient when used on massive data samples. Since its introduction, a broad spectrum of research on the application of the BLB has been made. READ MORE

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

    University essay from Umeå universitet/Institutionen för matematik och matematisk statistik

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

    Abstract : 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. READ MORE

  4. 13. Determinants of Capital Structure : A study of Swedish companies

    University essay from Uppsala universitet/Företagsekonomiska institutionen

    Author : Viktor Delblanc; Andréas Andersson; [2023]
    Keywords : Capital structure; Determinants; Leverage; Trade-off theory; Pecking order theory; Macroeconomic factors; Firm specific factors;

    Abstract : The choice of a corporation’s capital structure is a complex process determined by several factors. The academia and the business industry have both been enamored with finding the determinants of capital structure, as there has been evidence that the profitability of firms is influenced by financing decisions. READ MORE

  5. 14. Batteries charging into the future? Techno-economical analysis of BESS participation on the Swedish frequency regulation market using a mixed method approach

    University essay from Lunds universitet/Miljö- och energisystem

    Author : Theodor Rosengren; [2023]
    Keywords : Battery Energy Storage Systems; Frequency Regulation; FCR-D; FFR; economic feasibility; Sweden; Technology and Engineering;

    Abstract : As the penetration of variable renewable energy is increasing, the demand for flexibility in the electrical grid is on the rise. One way in which flexibility is needed is to provide frequency regulation. If electricity consumption and production momentarily are unbalanced there needs to. READ MORE

  6. 15. Gunshot Detection and Direction of Arrival Estimation Using Machine Learning and Received Signal Power

    University essay from Linköpings universitet/Institutionen för systemteknik

    Author : David Grahn; Timothy Cooper; [2023]
    Keywords : Direction of arrival; Machine Learning; Received signal power; Project Ngulia; Gunshot Detection; Poaching;

    Abstract : Poaching is a persistent issue that threatens many of earth’s species including therhino. The methods used by poachers are varied, but many use guns to carry outtheir illegal activities. Gunfire is extremely loud and can be heard for kilometres. READ MORE