Optimal Partition Trees
โ Scribed by Timothy M. Chan
- Book ID
- 113044309
- Publisher
- Springer
- Year
- 2012
- Tongue
- English
- Weight
- 887 KB
- Volume
- 47
- Category
- Article
- ISSN
- 0179-5376
No coin nor oath required. For personal study only.
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Decision tree methods generally suppose that the number of categories of the attribute to be predicted is fixed. Breiman et al., with their Twoing criterion in CART, considered gathering the categories of the predicted attribute into two supermodalities. In this article, we propose an extension of t
We consider the problem of partitioning the vertex-set of a tree to p parts to minimize a cost function. Since the number of partitions is exponential in the number of vertices, it is helpful to identify small classes of partitions which also contain optimal partitions. Two such classes, called cons