Features

The Esthauge LIMID software system for Bayesian networks and limited memory influence diagrams is equipped with the following features:

• Model types:
  • Discrete Bayesian networks.
    
  • LImited Memory Influence Diagrams (LIMIDs).
• Variables:
  • Chance nodes (random variables).
    
  • Decision nodes.
    
  • Utility nodes.
• Persistence:
  • Saving models to disk using the XBN-format.
    
  • Loading models from disk.
• Model construction:
  • Adding/deleting nodes.
    
  • Adding/deleting states of the nodes.
    
  • Adding/deleting edges.
    
  • Specification of conditional probability distributions.
    
  • Specification of utility functions.
    
• Common functions:
  • Moralization of models.
    
  • Triangulation of moralized models
    
  • Creation of junction trees from triangulated models.
• Functions, Bayesian networks:
  • Initialization of models.
    
  • Entering of evidence.
    
  • Propagation of evidence.
    
• Functions, decision graphs:
  • Specification of decision node ordering.
    
  • Optimization by single-policy updating.
    
  • Removal of non-requisite information edges.
    
  • Identification of minimal reduction.
    
  • Test for solubility.
• Graphical user interface:
  • Support for several models opened simultaneously.
    
  • Visual display of:
    • The directed acyclic graph.
      
    • The moral graph ("moral" edges shown in special color).
      
    • The triangulated graph ("fill-in" edges shown in special color).
      
    • The junction tree.
  • Copy/paste of nodes and edges within and between models.
    
  • Un-do/re-do.
    
  • "Re-locate to fit window" function.
    
  • Monitor windows showing the marginal distribution of nodes.