MOA Hoeffding Trees Visualizer

This code generates a .dot file that Graphviz compile and plots Hoeffding-based Trees from MOA.

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•   install [Graphviz](https://graphviz.org/download/)
  

•   insert the HoeffdingTreeVisualizer into MOA(https://moa.cms.waikato.ac.nz/tutorial-6-building-moa-from-the-source/) classifiers/trees folder
  

•   run Main
  

•   put the output into a .dot file
  

•   run the following command:
  

dot -Tpng .\tree.dot -o tree.png

Ｉｎｔｅｒｐｒｅｔ ｔｈｅ ｔｒｅｅ ｐｌｏｔ

•   For numerical attributes, left means True (<=) and right means False (>)
  

•   For nominal attibutes, all the adjacencies means the attribute values in order (from 0 to n attribute values)