lightgbm.create_tree_digraph

lightgbm.create_tree_digraph(booster, tree_index=0, show_info=None, precision=3, orientation='horizontal', **kwargs)[source]

Create a digraph representation of specified tree.

Note

For more information please visit https://graphviz.readthedocs.io/en/stable/api.html#digraph.

Parameters
  • booster (Booster or LGBMModel) – Booster or LGBMModel instance to be converted.

  • tree_index (int, optional (default=0)) – The index of a target tree to convert.

  • show_info (list of strings or None, optional (default=None)) – What information should be shown in nodes. Possible values of list items: ‘split_gain’, ‘internal_value’, ‘internal_count’, ‘internal_weight’, ‘leaf_count’, ‘leaf_weight’, ‘data_percentage’.

  • precision (int or None, optional (default=3)) – Used to restrict the display of floating point values to a certain precision.

  • orientation (string, optional (default='horizontal')) – Orientation of the tree. Can be ‘horizontal’ or ‘vertical’.

  • **kwargs – Other parameters passed to Digraph constructor. Check https://graphviz.readthedocs.io/en/stable/api.html#digraph for the full list of supported parameters.

Returns

graph – The digraph representation of specified tree.

Return type

graphviz.Digraph