Sökning: "repeated Poisson sampling"

Hittade 3 avhandlingar innehållade orden repeated Poisson sampling.

  1. 1. On unequal probability sampling designs

    Författare :Anton Grafström; Lennart Bondesson; Sara De Luna; Imbi Traat; Umeå universitet; []
    Nyckelord :NATURAL SCIENCES; NATURVETENSKAP; NATURVETENSKAP; NATURAL SCIENCES; conditional Poisson sampling; correlated Poisson sampling; entropy; extended Sampford sampling; Horvitz-Thompson estimator; inclusion probabilities; list-sequential sampling; non-rejective implementation; Pareto sampling; Poisson sampling; probability functions; ratio estimator; real-time sampling; repeated Poisson sampling; Sampford sampling; sampling designs; splitting method; unequal probability sampling; Mathematical statistics; Matematisk statistik; Mathematical Statistics; matematisk statistik;

    Sammanfattning : The main objective in sampling is to select a sample from a population in order to estimate some unknown population parameter, usually a total or a mean of some interesting variable. When the units in the population do not have the same probability of being included in a sample, it is called unequal probability sampling. LÄS MER

  3. 2. Single-Molecule Detection and Optical Scanning in Miniaturized Formats

    Författare :Jonas Melin; Fredrik Nikolajeff; Mats Nilsson; Hugh Fan; Uppsala universitet; []
    Nyckelord :Biotechnology; microfluidics; single-molecule detection; MOEMS; μTAS; lab-on-a-chip; RCA; thermoplastics; injection molding; hot embossing; Bioteknik;

    Sammanfattning : In later years polymer replication techniques have become a frequently employed fabrication method for microfluidic and micro-optical devices. This thesis describes applications and further developments of microstructures replicated in polymer materials. LÄS MER

  4. 3. Precarious employment in Sweden : methodological development and health associations

    Författare :Johanna Jonsson; Karolinska Institutet; Karolinska Institutet; []
    Nyckelord :;

    Sammanfattning : Precarious employment (PE), representing a multidimensional construct of (poor) employment conditions, has been found associated with several health outcomes. However, there is a lack of a recognized definition of PE and studies have varied greatly in their assessment of PE. LÄS MER