How do you choose important variables while working on a data set? Explain

You can use the following variable selection methods:

  • Before picking relevant variables, remove the associated variables.

  • Select variables that are dependent on the p values using linear regression.

  • Backward, forward, and stepwise selection are all options.

  • Use Xgboost, Random Forest, and a variable significance chart to plot your results.

  • Calculate the information gain for the provided collection of features and choose the top n features based on the results.