Modifying boosted trees to improve performance on task 1 of the 2006 KDD challenge cup

@article{Bell2006ModifyingBT,
  title={Modifying boosted trees to improve performance on task 1 of the 2006 KDD challenge cup},
  author={Robert M. Bell and Patrick Haffner and Chris Volinsky},
  journal={SIGKDD Explorations},
  year={2006},
  volume={8},
  pages={47-52}
}
Task 1 of the 2006 KDD Challenge Cup required classification of pulmonary embolisms (PEs) using variables derived from computed tomography angiography. We present our approach to the challenge and justification for our choices. We used boosted trees to perform the main classification task, but modified the algorithm to address idiosyncrasies of the scoring criteria. The two main modifications were: 1) changing the dependent variable in the training set to account for multiple PEs per patient… CONTINUE READING

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