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I use Ubuntu 14.04 and I have R version 3.1.2. When I am trying to install the Rmpfr package, I get this error
configure: error: Header file mpfr.h not found; maybe use --with-mpfr-include=INCLUDE_PATH
I am new to Linux, so I don't know exactly how to fix this.
You should install libmpfr-dev:
(answer from the first, highly upvoted comment by @user3710546)