Sökning: "model reduction"

Visar resultat 1 - 5 av 836 uppsatser innehållade orden model reduction.

  1. 1. The Critical Factors in Encouraging Alarm and Security Companies to Join a Collective Action in the Big Data Field: a multiple-case study

    Master-uppsats, Göteborgs universitet/Graduate School

    Författare :Paolo Massaro; [2018-08-02]
    Nyckelord :;

    Sammanfattning : MSc in Innovation and Industrial Management.... LÄS MER

  2. 2. Variable selection techniques for the Cox proportional hazardsmodel: A comparative study

    Kandidat-uppsats, Göteborgs universitet/Institutionen för nationalekonomi med statistik

    Författare :Simon Peterson; Klas Sehlstedt; [2018-03-08]
    Nyckelord :All subset selection; Backward elimination; Best subset selection; BeSS; Cox proportinal hazards model; least absolute shrinkage and selction operator; LASSO;

    Sammanfattning : In statistics different models are used to emulate real world processes. Variable selection refers to reduction of the number of parameters in the models in order to increase interpretability and model effectiveness. LÄS MER

  3. 3. A simplified approach in FAVAR estimation

    Kandidat-uppsats, Uppsala universitet/Statistiska institutionen; Uppsala universitet/Statistiska institutionen

    Författare :Mathias Lien Oskarsson; Christopher Lin; [2018]
    Nyckelord :factor-augmented vector autoregression; principal component analysis; common correlated effects; impulse responses;

    Sammanfattning : In the field of empirical macroeconomics factor-augmented vector autoregressive (FAVAR) models have become a popular tool in explaining how economic variables interact over time. FAVAR is based upon a data-reduction step using factor estimation, which are then employed in a vector autoregressive model. LÄS MER

  4. 4. Geo-distributed multi-layer stream aggregation

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

    Författare :Pietro Cannalire; [2018]
    Nyckelord :stream processing; geo-distributed; architecture; algorithms; windowing; data synopses; Apache Spark Structured Streaming; Apache Kafka; Misra-Gries algorithm; flödesbehandling; geo-distribuerade; arkitekturen; algoritmerna; windowing; data synopses; Apache Spark Structured Streaming; Apache Kafka; Misra-Gries-algoritmen;

    Sammanfattning : The standard processing architectures are enough to satisfy a lot of applications by employing already existing stream processing frameworks which are able to manage distributed data processing. In some specific cases, having geographically distributed data sources requires to distribute even more the processing over a large area by employing a geographically distributed architecture. LÄS MER

  5. 5. Markanvisningar som riskhanteringsverktyg : En studie om effektivare riskhantering under kommunal planläggning av nya utvecklingsprojekt

    Uppsats för yrkesexamina på avancerad nivå, Uppsala universitet/Avdelningen för visuell information och interaktion

    Författare :Mika Bäckelie; [2018]
    Nyckelord :Markanvisningstävling; Riskhantering; Samhällsplanering;

    Sammanfattning : Urban development is a comprehensive practice, especially today considering the modern ambitions of city densification. Managing risks associated with spatial planning are vital for a sustainable and safe societal growth, yet often subject to challenging trade-offs between efficiency and safety. LÄS MER

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