Search for dissertations about: "biostatistics dissertations"

Found 2 swedish dissertations containing the words biostatistics dissertations.

  2. 1. Estimation and Inference for Quantile Regression of Longitudinal Data : With Applications in Biostatistics

    Author : Andreas Karlsson; Johan Lyhagen; Ulf Olsson; Kenneth Carling; Uppsala universitet; []
    Keywords : Statistics; Bias correction; Bootstrap; Dependent errors; Hypothesis testing; Nonlinear model; Simulation study; Statistik;

    Abstract : This thesis consists of four papers dealing with estimation and inference for quantile regression of longitudinal data, with an emphasis on nonlinear models.The first paper extends the idea of quantile regression estimation from the case of cross-sectional data with independent errors to the case of linear or nonlinear longitudinal data with dependent errors, using a weighted estimator. READ MORE

  4. 2. Patient stratification and treatment effects in diseases with disturbed cardiac function

    Author : Gabriel Granåsen; Urban Wiklund; Frida Sandberg; Umeå universitet; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Biostatistics; Heart rate variability; Cardiac amyloidosis; hypertrophic cardiomyopathy; cluster analysis; Echocardiography; Long QT syndrome; Pediatric; Statins; Coronary artery calcium; Computer tomography; Machine learning; Predictive modeling;

    Abstract : Background: Cardiovascular disease characteristics are often measured using a combination of different measurement modalities. By combining information from these modalities using statistical modelling we can gain additional knowledge about these diseases. READ MORE