Yes. There is indeed a RLink package https://reference.wolfram.com/language/RLink/guide/RLink.html https://reference.wolfram.com/language/RLink/guide/RLink.htm.

Yes. There is indeed a RLink package https://reference.wolfram.com/language/RLink/guide/RLink.html https://reference.wolfram.com/language/RLink/guide/RLink.htm... which can pass R commands to R from Mathematica and transfer the data.