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BSc Mathematics / Course details
Year of entry: 2023
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Course unit details:
Survival Analysis for Actuarial Science
|Unit level||Level 3|
|Teaching period(s)||Semester 2|
|Offered by||Department of Mathematics|
|Available as a free choice unit?||No|
This course unit deals with classical survival analysis where the focus is on the time to a single event. Standard statistical methods to estimate these survival times do not work due to the presence of censoring and more sophisticated techniques are required. The course units covers some of the classical techniques in modelling and analysing survival data and also provides an introduction to the theory of counting processes and its application to survival analysis.
|Unit title||Unit code||Requirement type||Description|
This course unit aims to provide a foundation of survival analysis, both from a theoretical and an applied point of view.
After following this course, students should:
- Determine whether a given censoring mechanism for the purpose of estimating survival times is independent or not.
- Perform estimation of truncated and censored survival times using non-parametric, parametric and semi-parametric methods.
- Carry out a variety of hypothesis tests (in particular, 2-sample, likelihood related and graphical tests) associated with the estimation procedures and interpret the outcomes.
- Describe the frailty effect and how it can explain certain artefacts that might appear (like decreasing population hazard, crossover phenomenon) in a given proportional frailty model.
- Explain and perform a variety of methods for mortality forecasting.
- Survival times: censoring and truncation, independent censoring, inhomogeneous populations. 
- Non-parametric estimation: Kaplan-Meier and Nelson-Aalen estimator, kernel methods, two-sample tests. 
- Parametric models: maximum likelihood estimation, hypothesis tests, diagnostic methods. 
- Cox proportional hazards model: Cox partial likelihood estimation, hypothesis tests, diagnostic methods. 
- Frailty: frailty effect, proportional frailty model model. 
- Mortality forecasting: expectational, extrapolative, explanatory methods. 
Other: handing in homework for a number of selected exercises, 20%.
Examination: examination at the end of the semester, 80%.
Feedback tutorials will provide an opportunity for students' work to be discussed and provide feedback on their understanding. Coursework or in-class tests (where applicable) also provide an opportunity for students to receive feedback. Students can also get feedback on their understanding directly from the lecturer, for example during the lecturer's office hour.
Aalen, Odd O., Borgan, Arnulf and Gjessing, Hakon K. Survival and event history analysis: A process point of view. Springer, New York 2008.
Kleinbaum, David G. and Klein, Mitchel. Survival analysis: A selflearning text. 3rd edition, Springer, New York
|Scheduled activity hours|
|Independent study hours|
|Ronnie Loeffen||Unit coordinator|
This course unit detail provides the framework for delivery in 20/21 and may be subject to change due to any additional Covid-19 impact.
Please see Blackboard / course unit related emails for any further updates