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A Comparison of Decision Tree Pruning Strategies. By: Sherry Whitaker. A Comparison of Decision Tree Pruning Strategies. (Problem). Avoid overfitting when using Decision Trees Pre- and Post-Pruning Methods Determine how tree structure differs when using different pruning strategies.

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a comparison of decision tree pruning strategies1
A Comparison of Decision Tree Pruning Strategies

(Problem)

  • Avoid overfitting when using Decision Trees
  • Pre- and Post-Pruning Methods
  • Determine how tree structure differs when using different pruning strategies
a comparison of decision tree pruning strategies2
A Comparison of Decision Tree Pruning Strategies

(Approach)

  • 5 genes from Leukemia Dataset from Homework 1 and 2
  • Walkthrough several algorithms for pruning using this data
  • Summarize how each of the pruning strategies affected the design of the decision tree.