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You use dplyrXdf, and you discover that after you exit the session, the output files that were created were
deleted.
You need to prevent the files from being deleted.
Solution: You use dplyrXdf with the persist verb.
Does this meet the goal?

A.
Yes

B.
No

Explanation:
http://blog.revolutionanalytics.com/2016/12/dplyrxdf-090-now-available.html