Chapter 17 Flashcards

1
Q

What are ensemble methods?

A

When the output of multiple models are combined to create better predictions.

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2
Q

Overall principle of bagging:

A

model predictions are averaged.

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3
Q

Principle of boosting:

A

Build specilaized models for hard to classify observations.

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4
Q

What is majority voting?

A

Combining classifiers by choosing the class most models agree on.

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