Compare decision trees and random forests

Q: Compare decision trees and random forests

This is a Machine Learning interview question from Amazon for Machine Learning Engineer roles. View the full question and solution on PracHub.

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Question

Compare decision trees and random forests.

In your answer, discuss:

How a single decision tree is built and its main advantages and disadvantages.
How a random forest is constructed from multiple trees (bagging and feature subsampling).
Differences in bias, variance, overfitting behavior, interpretability, and typical use cases.

Compare decision trees and random forests

Solution

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