Sökning: "Effectiveness model"

Visar resultat 1 - 5 av 916 uppsatser innehållade orden Effectiveness model.

  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

  2. 2. Teacher characteristics and choicesand their effects on reading achievement: A comparision between Sweden and Quebec

    Master-uppsats, Göteborgs universitet/Institutionen för pedagogik och specialpedagogik

    Författare :Andrea Barber; [2024-01-12]
    Nyckelord :PIRLS 2011; reading achievement; SEM; cross-country comparison; teacher and classroom factors;

    Sammanfattning : Purpose. The purpose of this study is to compare teacher and classroom factors that are believed to affect students’ reading achievement scores at the fourth grade level by using PIRLS 2011 dataset. LÄS MER

  3. 3. Station-level demand prediction in bike-sharing systems through machine learning and deep learning methods

    Master-uppsats, Lunds universitet/Institutionen för naturgeografi och ekosystemvetenskap

    Författare :Nikolaos Staikos; [2024]
    Nyckelord :Physical Geography; Ecosystem Analysis; Bike-sharing demand; Machine learning; Deep learning; Spatial regression; Graph Convolutional Neural Network; Multiple Linear Regression; Multilayer Perceptron Regressor; Support Vector Machine; Random Forest Regressor; Urban environment; Micro-mobility; Station planning; Geomatics; Earth and Environmental Sciences;

    Sammanfattning : Public Bike-Sharing systems have been employed in many cities around the globe. Shared bikes are an efficient and convenient means of transportation in advanced societies. Nonetheless, station planning and local bike-sharing network effectiveness can be challenging. LÄS MER

  4. 4. Physical Layer Security for MIMOTransmission of Short PacketCommunications

    Master-uppsats, Blekinge Tekniska Högskola/Institutionen för datavetenskap

    Författare :Varun Duvva; Bharath Reddy Anugu; [2024]
    Nyckelord :Physical Layer Security; Multiple-Input Multiple-Output; Short Packet communication; Maximum Ratio Combining; Maximum Ratio Transmission; and Beamforming;

    Sammanfattning : This thesis explores the practical application of Physical Layer Security (PLS) inMultiple-Input Multiple-Output (MIMO) systems, particularly focusing on ShortPacket Communication (SPC). The aim is to enhance the security of wireless com-munications against eavesdropping threats. LÄS MER

  5. 5. Assessing the Effectiveness of Urban Trees with Skeletal Soils in Flood Risk Mitigation

    Master-uppsats, KTH/Hållbar utveckling, miljövetenskap och teknik

    Författare :Molly Boberg; [2024]
    Nyckelord :Flood Management; Climate Adaptation; Nature-Based Solutions NBS ; Urban Trees; Skeletal Soil; Hydrologic Modelling; MIKE; Översvämningshantering; Klimatanpassning; Naturbaserade lösningar; Stadsträd; Skelettjord; Hydrologisk modellering; MIKE;

    Sammanfattning : With increased urbanization and climate change, heavy rainfall events and urban floods are becoming more frequent. To meet the demands for effective climate adaptation strategies and mitigation measures, Nature-Based Solutions (NBS) have received increased attention. LÄS MER