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E20-065 · Question #31

What is a random subspace of features, as used by Random Forests?

The correct answer is A. A random subset of features that are chosen at each split in the decision tree. See the full explanation below for the reasoning.

Question

What is a random subspace of features, as used by Random Forests?

Options

  • AA random subset of features that are chosen at each split in the decision tree
  • BFiltration of data that does not meet a pre-defined weighting thrsehold
  • CThe creation of out-of-bag (OOB) data that is used to select features
  • DRemoval of highly correlated variables to randomize the features

How the community answered

(18 responses)
  • A
    72% (13)
  • B
    17% (3)
  • C
    6% (1)
  • D
    6% (1)

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