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  3. Object-Oriented Programming with S3 and R6 in R

Exercise

The Final Countdown

What are good uses of a finalize() method for your R6 class? Choose all the options that apply.

  1. Closing connections to a database.
  2. Removing all objects in the global environment.
  3. Reverting settings to global options() or graphics par()ameters.
  4. Forcing a garbage collection.

Instructions

50 XP

Possible answers