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Predictive Analytics Using Rattle and Qlik Sense by Ferran Garcia Pagans

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Cleaning up

The Cleanup option in the Transform tab allows you to delete columns and observations from your dataset, as shown in this screenshot:

Cleaning up

The following are the different available cleanup options:

  • Delete Ignored: This will delete variables marked as ignore
  • Delete Selected: This will delete the selected variables
  • Delete Missing: This will delete all variables with any missing values
  • Delete Obs with Missing: This will delete observations with missing values in the selected variable

You've learned how to transform variables. When Rattle transforms a variable, it doesn't modify the original one. It creates a new variable with the corresponding modification. ...

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