Sökning: "Principal component analysis"

Visar resultat 21 - 25 av 375 uppsatser innehållade orden Principal component analysis.

  1. 21. Exploring Feature Selection Techniques for Machine Learning-based Melanoma Skin Cancer Classification

    Kandidat-uppsats, KTH/Skolan för elektroteknik och datavetenskap (EECS)

    Författare :Thomas Eriksson Mueller; Viktor Fornstad; [2023]
    Nyckelord :Machine Learning; Feature Selection; Melanoma; Computer Aided Diagnosis; Bachelor Thesis; Maskininlärning; Attributurval; Melanom; Datorstödd Diagnostik; Kandidatarbete;

    Sammanfattning : One of the most globally common types of cancer is skin cancer, where melanoma is the most deadly form. An important and promising tool for diagnosing diseases such as skin cancer is computer aided diagnostics, a tool which utilizes machine learning to predict and classify cancer. LÄS MER

  3. 22. Evaluating clustering techniques in financial time series

    Uppsats för yrkesexamina på avancerad nivå, Uppsala universitet/Avdelningen för systemteknik

    Författare :Johan Millberg; [2023]
    Nyckelord :clustering; machine learning; financial time series; time series; unsupervised learning; cluster validation; cluster evaluation; klustring; klusteranalys; finansiella tidsserier; maskininlärning; klustervalidering; evalueringsteknik;

    Sammanfattning : This degree project aims to investigate different evaluation strategies for clustering methodsused to cluster multivariate financial time series. Clustering is a type of data mining techniquewith the purpose of partitioning a data set based on similarity to data points in the same cluster,and dissimilarity to data points in other clusters. LÄS MER

  4. 23. An Open-Source Autoencoder Compression Tool for High Energy Physics

    Magister-uppsats, Lunds universitet/Partikel- och kärnfysik; Lunds universitet/Fysiska institutionen

    Författare :Axel Gallén; [2023]
    Nyckelord :Physics; Particle Physics; Analysis; Machine Learning; Neural Networks; Autoencoders; Data Compression; Lossy Compression; Baler; Physics and Astronomy;

    Sammanfattning : A common problem across scientific fields and industries is data storage. This thesis presents an open-source lossy data compression tool with its foundation in Machine Learning - Baler. Baler has been used to compress High Energy Physics (HEP) data, and initial compression tests on Computational Fluid Dynamics (CFD) toy data have been performed. LÄS MER

  5. 24. A Rank Score Model of Variants Prioritization for Rare Disease

    Master-uppsats, Uppsala universitet/Institutionen för biologisk grundutbildning

    Författare :Nanxing Liu; [2023]
    Nyckelord :machine learning; variants; rare disease;

    Sammanfattning : The diagnosis of genetic illnesses has undergone a revolution with advancements in sequencing technology. Next-generation sequencing (NGS) has become a standard practice in genetic diagnostics, enabling the identification of various genetic variations. LÄS MER

  7. 25. The Image of Authorized Auditors in Relation to Audit Quality and Professional and Client Identification : A Swedish Quantitative Study

    Magister-uppsats, Jönköping University/IHH, Företagsekonomi

    Författare :Pål Karlsson Ahlmark; Sebastian Kavak; [2023]
    Nyckelord :Auditing; Audit Profession; Auditor image; Audit quality; Client identification; Professional identification;

    Sammanfattning : Abstract Background: Auditors play a crucial role in financial statements. This paper discusses auditor image and its relationship with audit quality, professional identification, and client identification. Preserving a favorable auditor image can lead to auditor leniency, compromising the integrity of financial reporting. LÄS MER