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There are various means to select important variables from a data set that include the following:

  • Identify and discard correlated variables before finalizing on important variables
  • The variables could be selected based on ‘p’ values from Linear Regression
  • Forward, Backward, and Stepwise selection
  • Lasso Regression
  • Random Forest and plot variable chart
  • Top features can be selected based on information gain for the available set of features.
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