2019/20 Undergraduate Module Catalogue
MATH3820 Bayesian Statistics
10 creditsClass Size: 60
Module manager: Dr Peter Thwaites
Taught: Semester 2 View Timetable
Year running 2019/20
Pre-requisite qualificationsMATH2715 or MATH2735.
This module is mutually exclusive with
|MATH5820M||Bayesian Statistics and Causality|
This module is not approved as a discovery module
Module summaryBayesian statistic methods have had a long and often controversial history; nevertheless, they are widely adopted due to their utility in solving complex inference problems. This module introduces the Bayesian approach to statistical inference and decision making. The module covers both philosophical and computational aspects of adopting a Bayesian approach.
ObjectivesBayesian statistics has had a long and often controversial history. It gives us a rigorous framework in which to combine prior beliefs and expectations with observed data from many sources – a process that we all do informally. This framework also opens up many opportunities for analyses of complex problems that cannot be adequately handled using traditional statistical techniques. The objective of this module is to introduce Bayesian statistical methods through the consideration of philosophical differences with traditional statistical procedures and the application of Bayesian techniques. This module also introduces the ideas of quantitative decision theory and rational decision making.
On completion of this module, students should be able to:
(a) discuss the differences between Bayesian and traditional statistical methods;
(b) derive prior, posterior and predictive distributions for standard Bayesian models;
(c) tackle hierarchical analyses using sampling methods;
(d) produce network representations of joint distributions and perform updates on small networks;
(e) define utility in the context of decision making and apply decision analysis methods to simple finite dimensional problems;
(f) use a statistical package with real data to facilitate an appropriate analysis and write a report interpreting the results.
1. Degrees of belief and subjective probabilities,
2. The likelihood (choice, exchangeability and the likelihood principle),
3. Prior, posterior and predictive distributions in conjugate analyses,
4. Specification of prior distributions through elicitation and principles of ignorance,
5. Modelling complex problems with potentially disparate data sources using hierarchical techniques,
6. Bayesian updating using sampling techniques including prior-sample reweighting and Gibbs sampling,
7. Network representations of joint probability distributions and their use in Bayesian updating,
8. Quantitative decision analysis: minimax decisions through to utility theory.
|Delivery type||Number||Length hours||Student hours|
|Private study hours||76.00|
|Total Contact hours||24.00|
|Total hours (100hr per 10 credits)||100.00|
Private studyReviewing lecture notes and wider reading: 31 hours;
Completing exercise sheets: 20 hours;
Completing assessed practical: 20 hours.
Opportunities for Formative FeedbackExercise sheets provided throughout the semester covering various topics.
Methods of assessment
|Assessment type||Notes||% of formal assessment|
|Practical||Report on an applied Bayesian Analysis||20.00|
|Total percentage (Assessment Coursework)||20.00|
There is no resit available for the coursework component of this module. If the module is failed, the coursework mark will be carried forward and added to the resit exam mark with the same weighting as listed above.
|Exam type||Exam duration||% of formal assessment|
|Standard exam (closed essays, MCQs etc)||2 hr 00 mins||80.00|
|Total percentage (Assessment Exams)||80.00|
Normally resits will be assessed by the same methodology as the first attempt, unless otherwise stated
Reading listThe reading list is available from the Library website
Last updated: 30/04/2019
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