This app is an R Language Compiler and editor with file input.
You can run R code in your browser directly.
You can easily compile or edit your R file including calculate, statistics, drawing, plot, data.
Select/open a R file to compile from your computer or from Google Drive™, and Click the Run/Compile button.

It's absolutely free for those who want to compile/edit your R codes. 
This app lets you write, compile and view R codes right on your browser.
It has a very straight forward user interface that can get you started in seconds.

R is a programming language for statistical computing and data visualization. It has been adopted in the fields of data mining, bioinformatics and data analysis.