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In feature engineering, what does 'one-hot encoding' achieve?

Practice Questions

Q1
In feature engineering, what does 'one-hot encoding' achieve?
  1. It reduces the dimensionality of the dataset
  2. It converts categorical variables into a numerical format
  3. It normalizes the data
  4. It increases the number of features exponentially

Questions & Step-by-Step Solutions

In feature engineering, what does 'one-hot encoding' achieve?
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