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Displaying results 1 to 2 of 2.

  1. Allocation of cognitive resources in translation
    an eye-tracking and key-logging study
    Author: Tangsgaard Hvelplund, Kristian
    Published: 2011
    Publisher:  Copenhagen Business School, Copenhagen

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    Source: Union catalogues
    Language: English
    Media type: Dissertation
    Format: Print
    ISBN: 9788759384640
    Edition: 1. ed.
    Series: PhD serie ; 10
    Subjects: Übersetzung; Kognitiver Prozess; Augenfolgebewegung; Tastatur; Dateneingabe;
    Scope: XV, 260 S., graph. Darst.
    Notes:

    Zugl.: Copenhagen, Univ., Diss. 2011
  2. Kernel density estimation for heaped data
    Author: Groß, Marcus; Rendtel, Ulrich
    Published: 2015
    Publisher:  Freie Univ. Berlin, FB Wirtschaftswissenschaft, Berlin

    In self-reported data usually a phenomenon called 'heaping' occurs, i.e. survey participants round the values of their income, weight or height to some degree. Additionally, respondents may be more prone to round off or up due to social desirability.... more

    Location:
    ZBW - Leibniz-Informationszentrum Wirtschaft, Standort Kiel
    Signature:
    DS 79 (2015,27)
    Inter-library loan:
    No inter-library loan

     

    In self-reported data usually a phenomenon called 'heaping' occurs, i.e. survey participants round the values of their income, weight or height to some degree. Additionally, respondents may be more prone to round off or up due to social desirability. By ignoring the heaping process a severe bias in terms of spikes and bumps is introduced when applying kernel density methods naively to the rounded data. A generalized Stochastic Expectation Maximization (SEM) approach accounting for heaping with potentially asymmetric rounding behaviour in univariate kernel density estimation is presented in this work. The introduced methods are applied to survey data of the German Socio-Economic Panel and exhibit very good performance simulations.

     
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    Content information
    Source: Union catalogues
    Language: English
    Media type: Book
    Format: Online
    Other identifier:
    hdl: 10419/117333
    Series: Array ; 2015/27
    Subjects: Dateneingabe; Rundung; Bias; Soziale Norm; Kernschätzung;
    Scope: Online-Ressource (24 S.), graph. Darst.