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MLS-C01 · Question #155

MLS-C01 Question #155: Real Exam Question with Answer & Explanation

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Modeling

Question

A Data Scientist is working on a predictive maintenance mode and received a company's dataset with 500,000 measurements of machine behavior during both normal operations and failures. In the dataset 98% of the samples were collected during normal operations and 2% were collected during failures. Which of the following actions should address the imbalance while minimizing information loss? (Select TWO.)

Options

  • ARequest more data from the company, focusing on failure samples.
  • BUse an approach to create synthetic samples, such as oversampling.
  • CRemove normal operations samples unti the sample amount matches the number of failure
  • DRun a Latent Dirichlet Allocation (LDA) algorithm on the dataset.
  • ERemove all failure samples and perform classification training using the normal operations

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Topics

#Class Imbalance Handling#Data Preprocessing#Oversampling Techniques#Data Acquisition Strategy
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