A visual representation of a decision problem. An effective way
to clarify objectives and display them with the uncertainties,
dependencies, and other factors that influence the likelihood of
reaching those objectives. a graphical structure for modelling
uncertain variables and decisions a list of factors in a
problem, together with arrows and signs showing the relationship
between them a simple visual representation of a decision
problem In decision analysis, an influence diagram (ID) (also
called a relevance diagram) is a graphical and mathematical
representation of probabilistic inference and decision problems.
IDs are a generalization of decision trees.