Answer for R programming

https://365datascience.com/dwqa-answer/answer-for-r-programming-4/ -

Hi Viraj, 

the function group_by is part of the ‘dplyr’ package. 

So, you need to include the library in your script to avoid this error. Just add the following line at the beginning of your script:

library(“tidyverse”)

 

Best, 

Eli

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