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CompTIA

DY0-001 · Question #3

A data scientist built several models that perform about the same but vary in the number of features. Which of the following models should the data scientist recommend for production according to…

The correct answer is A. The model with the fewest features and highest performance. According to Occam's razor, when models perform equivalently, you choose the simplest one - in this case, the model that achieves the needed performance with the fewest features.

Modeling, Analysis, and Outcomes

Question

A data scientist built several models that perform about the same but vary in the number of features. Which of the following models should the data scientist recommend for production according to Occam's razor?

Options

  • AThe model with the fewest features and highest performance
  • BThe model with the fewest features and the lowest performance
  • CThe model with the most features and the lowest performance
  • DThe model with the most features and the highest performance

How the community answered

(49 responses)
  • A
    92% (45)
  • B
    2% (1)
  • C
    2% (1)
  • D
    4% (2)

Explanation

According to Occam's razor, when models perform equivalently, you choose the simplest one - in this case, the model that achieves the needed performance with the fewest features.

Topics

#Occam's razor#model selection#feature count#model simplicity

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