While R visuals add advanced analytics depth and endless flexibility on top of the Power BI visuals, not everyone understand R. With the October 2016 release of Power BI Desktop, Microsoft now allows you to create R-powered custom visuals without any knowledge of R, and without any R scripting. This enables you to harness the analytic and visual power of R visuals, and R scripts, without learning or programming R yourself.
Creation of R-powered custom visuals is similar to creation of the custom visuals which were already available in Power BI. Read more about it -.