Sökning: "time series outliers"

Visar resultat 11 - 15 av 26 uppsatser innehållade orden time series outliers.

  1. 11. Root Cause Analysis for In-Transit Time Performance : Time Series Analysis for Inbound Quantity Received into Warehouse

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

    Författare :Raman Ali; [2021]
    Nyckelord :Logistic; Time Series; Forecast; Inbound logistics; In-Transit;

    Sammanfattning : Cytiva is a global provider of technologies to global pharmaceutical companies and it is critical to ensure that Cytiva’s customers receive deliveries of products on-time. Cytiva’s products are shipped via road transportation within most parts of Europe and for the rest in the world air freight is used. LÄS MER

  3. 12. Analysis of factory test data of on-load tap-changers for power transformers

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

    Författare :Oscar Stenhammar; [2021]
    Nyckelord :on-load tap-changer; OLTC; power transformer;

    Sammanfattning : On-load tap-changers (OLTC) are devices in the power grid that keeps the voltage level constant for consumers, regardless of the power demand. Hitachi ABB Power Grids, producer of the OLTC family named VUC, guarantees 30 years of lifetime. Such a pledge requires high standard devices. LÄS MER

  4. 13. Forecasting Volume of Sales During the Abnormal Time Period of COVID-19. An Investigation on How to Forecast, Where the Classical ARIMA Family of Models Fail

    Master-uppsats, KTH/Matematisk statistik

    Författare :Christina Ghawi; [2021]
    Nyckelord :Time series forecasting; ARIMA family of models; abnormal time period; extreme events; COVID-19 pandemic; time series outliers;

    Sammanfattning : During the COVID-19 pandemic, customer shopping habits have changed. Some industries experienced an abrupt shift during the pandemic outbreak while others navigate in new normal states. For some merchants, the highly-uncertain new phenomena of COVID-19 expresses as outliers in time series of volume of sales. LÄS MER

  5. 14. Anomaly Detection on Gas Turbine Time-series’ Data Using Deep LSTM-Autoencoder

    Master-uppsats, Umeå universitet/Institutionen för datavetenskap

    Författare :Marzieh Farahani; [2021]
    Nyckelord :;

    Sammanfattning : Anomaly detection with the aim of identifying outliers plays a very important role in various applications (e.g., online spam, manufacturing, finance etc.). LÄS MER

  7. 15. Improving Queuing Time in a Pull Based Containerized Continuous Integration Build System

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

    Författare :Catalin Gangalic; [2021]
    Nyckelord :Distributed Systems; Kubernetes; Time Series; Builds Systems; Continuous Integration; Distribuerade System; Kubernetes; Tidsserier; Bygger System; Kontinuerlig Integration;

    Sammanfattning : Most of the medium and big size software companies around the world are now using some form of continuous automatic build systems, with smaller companies following through. This approach, towards a more continuous flow, has pushed for more innovation in the domain and the adoption of various orchestration tools for these builds. LÄS MER