bn-playground

bn-play.firebaseapp.com

A tool for building Bayesian Networks(BNs), visualizing the probabilities, running simulations with interventions, and seeing the results to understand what's going on. This is being built by a student of causality so this is ideally an educational tool to learn about BNs.

Commands

• vue ui - Start the UI and use it to run tasks
• yarn - Project setup, install dependencies
• yarn serve - Compiles and hot-reloads for development
• yarn build - Compiles and minifies for production, generating static site files in ./dist
• firebase deploy - Deploy production files to Firebase
• yarn present - Use cleaver to work on the presentation and watch for changes. The output file is dist/presentation.html, which is also deployed to Firebase

Reference

• BN Slides
• Vue
• Vis.js
• Chart.js

Todo

• [/] Write paper

• [/] Make presentation

• [_] Show realtime simulation with dashed/colored edges

• [_] Add automated testing

• [_] Wrap in electron to deploy as a desktop app

• [_] Detect cycle in graph

• [_] Show conditional independencies

• [_] Toggle hierarchical layout

• [_] Import/Export graph (add method in BN class)

• [_] Export probability table CSV

• [_] Edit node name - click pencil icon to change title to input, bind to data so it changes as you type

• [_] Change the color of a node?

• [_] Learn network structure from data

Done

• Show BN visually
• Add and remove nodes
• Add and remove edges
• View node parents and children
• See Markov blanket for a node
• Highlight node relations (parents, children, Markov blanket)
• Firebase deploy
• Show if node is a collider
• Interface to show conditional probability tables for nodes and edit like http://www.cs.man.ac.uk/~gbrown/bayes_nets/
  • Save changes to CPT values
• Run simulation
  • Show results in a histogram
• do() on a node
• Fix bug where adding node gets the wrong name at first
  • Don't think this used to happen, maybe it happened when I moved the interaction funcions into the BN class
  • Maybe just go back to the old menu for adding nodes
  • Happening for edges too - new edges don't get arrows until you click on a node
• Fix bug with adding edges messing up simulation
• Made node color a different blue when in do() mode
• Reveal histogram element dynamically after getting results
• Add title tooltips to explain things, expecially the CPT
• Move to new repo
• Host on Github pages - doesn't work well