RCallPyCall

λ ~ julia
               _
   _       _ _(_)_     |  A fresh approach to technical computing
  (_)     | (_) (_)    |  Documentation: http://docs.julialang.org
   _ _   _| |_  __ _   |  Type "?help" for help.
  | | | | | | |/ _` |  |
  | | |_| | | | (_| |  |  Version 0.5.0-dev+1573 (2015-12-03 01:35 UTC)
 _/ |\__'_|_|_|\__'_|  |  Commit 0d0b6bc* (0 days old master)
|__/                   |  x86_64-apple-darwin15.0.0

julia> using RCall
INFO: Recompiling stale cache file /Users/wookyoung/.julia/lib/v0.5/DataFrames.ji for module DataFrames.
INFO: Recompiling stale cache file /Users/wookyoung/.julia/lib/v0.5/StatsBase.ji for module StatsBase.
INFO: Recompiling stale cache file /Users/wookyoung/.julia/lib/v0.5/ArrayViews.ji for module ArrayViews.
INFO: Recompiling stale cache file /Users/wookyoung/.julia/lib/v0.5/StatsFuns.ji for module StatsFuns.
INFO: Recompiling stale cache file /Users/wookyoung/.julia/lib/v0.5/DataArrays.ji for module DataArrays.
INFO: Recompiling stale cache file /Users/wookyoung/.julia/lib/v0.5/GZip.ji for module GZip.
INFO: Recompiling stale cache file /Users/wookyoung/.julia/lib/v0.5/SortingAlgorithms.ji for module SortingAlgorithms.
INFO: Recompiling stale cache file /Users/wookyoung/.julia/lib/v0.5/Docile.ji for module Docile.

julia> using PyCall
INFO: Recompiling stale cache file /Users/wookyoung/.julia/lib/v0.5/PyCall.ji for module PyCall.

julia> @pyimport numpy as np

julia> a = "c(1,2,3)" |> rcopy
3-element Array{Float64,1}:
 1.0
 2.0
 3.0

julia> np.mean(a)
2.0

julia> reval("""
            f <- function(n) {
              return (n+1)
            }
       """)
RCall.RObject{RCall.ClosSxp}
function (n)
{
    return(n + 1)
}


julia> rcopy(rcall(:f, 2))
3.0