Decision Trees and Random Forest Quiz

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Questions and Answers

What is the goal of a decision tree?

To fit complex datasets
To predict class label (correct)
To perform regression tasks
To perform multioutput tasks

What do internal (non-leaf) nodes represent in a decision tree?

Branches
Classification label
Regression task
Tests an attribute (correct)

Which approach does the decision tree learning algorithm use?

Greedy approach (correct)
Exhaustive approach
Heuristic approach
Randomized approach

What does Gini Impurity or Entropy help in making decisions for in a decision tree?

<p>Key decision making (A)</p>

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What type of tasks can decision trees perform?

<p>Both classification and regression tasks (D)</p>

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Study Notes

What is the goal of a decision tree? What do internal (non-leaf) nodes represent in a decision tree? Which approach does the decision tree learning algorithm use? What does Gini Impurity or Entropy help in making decisions for in a decision tree? What type of tasks can decision trees perform?