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MLS-C01 · Question #178

MLS-C01 Question #178: Real Exam Question with Answer & Explanation

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Modeling

Question

A machine learning (ML) specialist must develop a classification model for a financial services company. A domain expert provides the dataset, which is tabular with 10,000 rows and 1,020 features. During exploratory data analysis, the specialist finds no missing values and a small percentage of duplicate rows. There are correlation scores of > 0.9 for 200 feature pairs. The mean value of each feature is similar to its 50th percentile. Which feature engineering strategy should the ML specialist use with Amazon SageMaker?

Options

  • AApply dimensionality reduction by using the principal component analysis (PCA) algorithm.
  • BDrop the features with low correlation scores by using a Jupyter notebook.
  • CApply anomaly detection by using the Random Cut Forest (RCF) algorithm.
  • DConcatenate the features with high correlation scores by using a Jupyter notebook.

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Topics

#Feature Engineering#Dimensionality Reduction#PCA#Multicollinearity
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