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Explain the steps in making a decision tree.

By Poornima, 2 years ago
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Explain Decision tree implementation steps in details.

Decision tree
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Steps

  1. Take the entire data set as input.
  2. Look for a split that maximizes the separation of the classes. A split is any test that divides the data into two sets.
  3. Apply the split to the input data (divide step).
  4. Re-apply steps 1 to 2 to the divided data.
  5. Stop when you meet some stopping criteria.
  6. This step is called pruning. Clean up the tree if you went too far doing splits.

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