Essays about: "time-varying covariates"

Showing result 1 - 5 of 6 essays containing the words time-varying covariates.

  1. 1. Multi-state and Time-varying Covariate Survival Models for Multiple Knee Contractures in People with Cerebral Palsy

    University essay from Lunds universitet/Matematisk statistik

    Author : Maiya Tebäck; [2023]
    Keywords : cerebral palsy; survival analysis; multi-state models; time-varying covariates; Mathematics and Statistics;

    Abstract : Cerebral palsy is an umbrella term for a group of neurological disorders, affecting motor function, movement and posture. Contractures, restrictions in the range of motion of joints, are a common problem affecting people living with cerebral palsy. READ MORE

  3. 2. Investigating the relationship between dementia and cognitive tests performance : do better scores on cognitive tests relate to a lower risk of developing dementia?

    University essay from Umeå universitet/Statistik

    Author : Emma Kwon; Markus Lindvall; [2022]
    Keywords : ;

    Abstract : In 2021, dementia was the seventh leading cause of death among all diseases in the world according to the World Health Organization (2021). Dementia is an overall medical term indicating deteriorated brain health associated with loss of memory, cognitive abnormality and difficulties in daily activities. There is no medical cure for dementia yet. READ MORE

  4. 3. Academic performance and selective admission policies - The impact of weighted SweSAT admission on academic performance in engineering programmes in Sweden

    University essay from Lunds universitet/Nationalekonomiska institutionen

    Author : Jacob Wennberg; Martin Goude Rolfsmark; [2022]
    Keywords : Admission policy change; difference-in-differences; engineering programmes; SweSAT.; Business and Economics;

    Abstract : During the enrolment year of 2019 and 2020, some Swedish universities were presented with the opportunity to participate in an admission policy trial. The universities could choose to weigh SweSAT scores based programme specific requisites. READ MORE

  5. 4. Bisphosphonates and the Risk of Fractures : Survival Analysis Using Patient Data from Swedish National Registers

    University essay from Umeå universitet/Statistik

    Author : Jonathan Bergman; [2016]
    Keywords : ;

    Abstract : Background Osteoporosis increases the risk of fractures. Bisphosphonates is a group of medications used to treat osteoporosis. READ MORE

  6. 5. Nonlinear mixed effects models for longitudinal DATA

    University essay from Linköpings universitet/Institutionen för datavetenskap; Linköpings universitet/Filosofiska fakulteten

    Author : Raid Mahbouba; [2015]
    Keywords : Longitudinal data; machine learning techniques; splines; mixed effects; leverage.;

    Abstract : The main objectives of this master thesis are to explore the effectiveness of nonlinear mixed effects model for longitudinal data. Mixed effect models allow to investigate the nature of relationship between the time-varying covariates and the response while also capturing the variations of subjects. READ MORE