Sökning: "Statistic"

Visar resultat 1 - 5 av 132 avhandlingar innehållade ordet Statistic.

  1. 1. Extreme Value Analysis of Huge Datasets: Tail Estimation Methods in High-Throughput Screening and Bioinformatics

    Författare :Dmitrii Zholud; Göteborgs universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Extreme Value Statistics; High-Throughput Screening; HTS; Bioinformatics; analysis of huge datasets; quality control; correction of theoretical p-values; comparison of pre-processing methods; SmartTail; estimation of False Discovery Rates; test power; distribution tail; high level excursions; quantile estimation; multiple testing; Student t−test; Welch statistic; small sample sizes; F−test; Wiener process; Gaussian random walk; Shepp statistic; limit theorems; exotic options.; estimation of False Discovery Rates;

    Sammanfattning : This thesis presents results in Extreme Value Theory with applications to High-Throughput Screening and Bioinformatics. The methods described here, however, are applicable to statistical analysis of huge datasets in general. The main results are covered in four papers. LÄS MER

  3. 2. Assessment of prestressed concrete bridges loaded in combined shear, torsion and bending : uncertaintiers in deterministic and statistic methods

    Författare :Arto Puurula; Luleå tekniska universitet; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Structural Engineering; Konstruktionsteknik;

    Sammanfattning : The aim of the thesis is to investigate the load-carrying capacity of bridges according to different models for shear in combination with bending, torsion and prestressing. The following models are studied: Model with traditional summation of the contributions from concrete and steel accroding to the Swedish Code BBK 94 Strut model according to the European code EC2 Modified Compression Field Theory from Canada The models are applied to the Källösund Bridge on the road to the island Tjörn on the West coast of Sweden. LÄS MER

  4. 3. Existence and convergence of moments of Student’s t-statistic

    Författare :Fredrik Jonsson; Allan Gut; Lennart Bondesson; Uppsala universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Mathematical statistics; Matematisk statistik; Mathematics; Matematik;

    Sammanfattning : .... LÄS MER

  5. 4. On the Measurement of Model Fit for Sparse Categorical Data

    Författare :Katrin Kraus; Dag Sörbom; Ghazi Shukur; Uppsala universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; goodness-of-fit; sparseness; model fit; categorical data; fit statistic; sparse contingency table; Statistics; Statistik;

    Sammanfattning : This thesis consists of four papers that deal with several aspects of the measurement of model fit for categorical data. In all papers, special attention is paid to situations with sparse data. LÄS MER

  7. 5. Contributions to Quantile Estimation

    Författare :Erik Brodin; Göteborgs universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Bootstrap; Cross validation; Extreme value theory; Generalized Pareto distribution; Kernel estimator; L-estimator; Non-parametric estimation; Order statistic; Perturbed Generlized Pareto distribution; Quantile estimation; Regular variation; Second order regular variation; Kernel estimator;

    Sammanfattning : .... LÄS MER