I think RJulia goes the other way; calling Julia from R. You want RCall.jl and PyCall.jl. Both allow you to directly work with and manipulate native objects. R

I think RJulia goes the other way; calling Julia from R. You want RCall.jl and PyCall.jl. Both allow you to directly work with and manipulate native objects. RCall even allows you to bring up an R REPL.