bbn v0.5.0

bbn v0.5.0

Bayesian Belief Network CLI/TUI tool and Go module.

Highlights

• Uses variable elimination instead of the importance sampling for inference.
• Supports decision networks (aka influence diagrams), including sequential decisions.
• Adds logic nodes for logical reasoning, using simple keywords like and or if-then instead of CPTs.
• Loads of improvements of the TUI app

Changelog

Features

• Reworked library and apps to use Variable Elimination for inference (#42, #43, #44, #45, #46, #47, #48)
• Implement multi-stage decision networks (#45, #60, #61)
• Adds network training to the TUI app (#54)
• Adds a toggle to the TUI app to ignore policies of decision nodes with evidence (#56)
• Nodes can be moved in the TUI app with WASD keys (#57)
• Save network from TUI app using Ctrl+S (#57)
• Adds a help dialog to the TUI app (#58)
• Optional total utility node for weighting individual utilities (#59)
• Adds support for custom node colors in YAML files (#64)
• Adds shortcuts for logic nodes like, and, or, if-then, etc. (#65)
• Networks can have a longer info text, also shown in TUI app (#66)

Documentation

• Adds oil drilling decision example (#48)
• Adds robot decision example (#50)
• Adds medical treatment decision example (#60)
• Adds disease control decision example (#61)
• Adds three examples for logic induction using well-known logical puzzles (#65, #66)
• All examples have a detailed description that shows up in the TUI app (#66, #67)