Title :
Sensitivity analysis in influence diagrams
Author :
Nielsen, Thomas Dyhre ; Jensen, Finn V.
Author_Institution :
Dept. of Comput. Sci., Aalborg Univ., Denmark
fDate :
3/1/2003 12:00:00 AM
Abstract :
The influence diagram framework serves as a powerful modeling tool for symmetric decision problems with a single decision maker. However, one of the main difficulties when representing decision problems using influence diagrams is eliciting the utilities and the probabilities. This makes it desirable to be able to investigate: 1) how sensitive the solution is to variations in some utility or probability parameter, and 2) how robust the solution is to joint variations over a set of parameters. In this paper, we propose a general algorithm for performing these types of analysis.
Keywords :
decision theory; diagrams; probability; sensitivity analysis; influence diagrams; probabilities; probability parameter; sensitivity analysis; single decision maker; solution robustness; symmetric decision problems; utilities; Algorithm design and analysis; Delta modulation; Helium; Information analysis; Performance analysis; Probability distribution; Robustness; Sensitivity analysis; Uncertainty; Utility theory;
Journal_Title :
Systems, Man and Cybernetics, Part A: Systems and Humans, IEEE Transactions on
DOI :
10.1109/TSMCA.2003.811116