Sökning: "OUTLIERS"

Visar resultat 16 - 20 av 91 avhandlingar innehållade ordet OUTLIERS.

  1. 16. Shared e-scooter usage patterns : Analysis of app and trip data

    Författare :Boel Berg Wincent; Erik Jenelius; Wilco Burghout; Johan Olstam; KTH; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; e-scooter; micromobility; elsparkcyklar; mikromobilitet; Transportsystem; Transport Systems; Transportvetenskap; Transport Science;

    Sammanfattning : There is an urgent need to shift the urban mode distribution towards public transportation, micromobility, and shared mobility as a critical step towards achieving sustainable cities. Micromobility, with shared e-scooters as the main driving force, has sprung up as a promising mode for cities since the late 2010s. LÄS MER

  3. 17. Modelling and controlling an offset lithographic printing process

    Författare :Cristofer Englund; Högskolan i Halmstad; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Neural networks; Self-organizing map; Data mining; Outlier detection; Committee; Multiple models; Colour print control; Image analysis; Bildanalys;

    Sammanfattning : The objective of this thesis is to provide methods for print quality enhancements in an offset lithographic printing proess. Various parameters characterising the print quality are recognised, however, in this work print quality is defined as the deviation of the amount of ink in a sample image from the reference print. LÄS MER

  4. 18. Hydrogeochemistry and spatial variability of arsenic and other trace elements in the Lower Katari Basin around Lake Titicaca, Bolivian Altiplano. : Impact on drinking water quality and groundwater management

    Författare :Israel Quino Lima; Prosun Bhattacharya; Jerker Jarsjö; KTH; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Arsenic; trace elements; multivariate analysis; spatial variability; hydrogeology; spatio-temporal variability; Lower Katari Basin; Bolivian Altiplano; alluvial sediments; Arsenik; spårelement; multivariat analys; rumslig variabilitet; hydrogeologi; spatio-temporär variation; Nedre Katari-bassängen; Bolivian Altiplano; alluviala sediment; Land and Water Resources Engineering; Mark- och vattenteknik;

    Sammanfattning : Arsenic (As) contamination in drinking water is a world-wide problem. Thenatural origin of As, its mobility and transport are of great interest in BolivianAltiplano (Lower Katari Basin: LKB and Sothern Poopó Basin: SPB) due topresence of mineral ore deposits, brines, hot springs and volcanic rocks. LÄS MER

  5. 19. Minimal Problems and Applications in TOA and TDOA Localization

    Författare :Simon Burgess; Mathematical Imaging Group; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Calibration-Free Localization; TOA; TDOA; RSSI Localization;

    Sammanfattning : The central problem of this thesis is locating several sources and simultaneously locating the positions of the sensors. The measurements captured by the sensors are time of arrival (TOA), time difference of arrival (TDOA), unsynchronized TDOA, or received signal strength indication (RSSI), all a variation of distance measurement between sensors and sources. LÄS MER

  7. 20. On the efficiency of the Bayesian bootstrap

    Författare :Raul Cano; Stockholms universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Poisson-fördelning;

    Sammanfattning : The efficiency of the Bayesian bootstrap is treated for large and small samples from infinite and finite populations. The Bayesian bootstrap is compared with nonparametric and parametric Bayesian methods in the infinite case, for large samples and considering the mean and truncation functionals. LÄS MER