- multidimensional ・ (Christmas) tree ・ one dimensional Converting a multidimensional object into a tree can be done with hierarchical clustering.
Conversion to one dimension can be done with a one-dimensional self-organizing map, and hierarchical clustering can also be done with a little ingenuity.
pseudo code
- Merging close data points
- At this time, points with a rank of 2 are removed from the annexation target.
Changing the rank limit from 2 to N results in a tree with at most N-1 children.
Related chain-effect.
- If graph is given, minimum area tree will result in a tree
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