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Decision trees

4 practice questionsData ScienceStep-by-step solutions

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1

A decision tree makes predictions by following what?

A.A random poem
B.A chemical equation only
C.A circuit resistor code
D.A sequence of feature-based splits
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2

Random forests improve on single decision trees mainly by:

A.Using only one tree
B.Combining many trees to reduce overfitting (ensemble)
C.Removing all features
D.Ignoring the training data
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3

A decision tree splits nodes to maximize:

A.Purity / information gain
B.The number of leaves
C.Tree depth
D.Training time
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