How can a Chi-square test for independence be used in feature selection?

  • It can identify the features that are independent from the target variable
  • It can identify the features that are most correlated with the target variable
  • It can identify the features that have a significant association with the target variable
  • It can identify the features that have the highest variance
A Chi-square test for independence can be used in feature selection by identifying the features that have a significant association with the target variable.
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