[R] installing R in ubuntu

[akshay kulkarni]

dear members,
                              I am trying to install R in ubuntu AWS instance....

While getting help from google, I came across something called GPG key. How to get the GPG key for an AWS ubuntu  instance? More over, what is a GPG key?

Any general help on installing R in ubuntu AWS instance?

very many thanks for your time and effort...
yours sincerely,
AKSHAY M KULKARNI

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