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CT-AI · Question #38

Which of the following is a dataset issue that can be resolved using pre-processing?

The correct answer is D. Numbers stored as strings. The syllabus describes that data pre-processing includes cleaning (e.g., fixing or removing invalid data) and transforming data (e.g., changing data types such as numbers stored as strings). "Transformation: The format of the given data is changed... converting categorical data…

Machine Learning (ML)

Question

Which of the following is a dataset issue that can be resolved using pre-processing?

Options

  • AInsufficient data
  • BInvalid data
  • CWanted outliers
  • DNumbers stored as strings

How the community answered

(36 responses)
  • A
    17% (6)
  • B
    6% (2)
  • C
    3% (1)
  • D
    75% (27)

Explanation

The syllabus describes that data pre-processing includes cleaning (e.g., fixing or removing invalid data) and transforming data (e.g., changing data types such as numbers stored as strings). "Transformation: The format of the given data is changed... converting categorical data into numerical data, changing image formats..."

Topics

#data pre-processing#dataset issues#data quality#data types

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