Dicas são sempre bem-vindas!
3) Use new project mode from RStudio This helps to clean workflow management
5) Avoiding duplicates , remove prior copies and use gc() Memory management is key to use of R in production analytics.
6) Think object oriented. Forget other languages Think slice and dice and using $ and  and using apply versus for loops.
7) Use ? and ?? before you google and ask for help on Stack Overflow…
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