Use JuliaCall as Julia Engine in R Markdown

To use JuliaCall package for julia engine in R Markdown document, just set the language of the code chunk to be julia.

## 1.4142135623730951

Support for Plots.jl

Plots.jl is an easy to use and powerful julia package for plotting, see for more detail.

## Plots.GRBackend()

Get Access to Julia in R Chunk

And you can also get access to julia variables in R code chunk quite easily using JuliaCall, for example:

## [1] 1.414214