Before you enroll in any course make sure it has the following topics covered:
Data manipulation
Data visualization
Advanced analytics issues like regressions and data mining using RStudio
If you also need a certification along with a course, you can check out the following complete course on Data Science with R.
The above R Programming for Data Science training course will help you be a master in data manipulation with R programming, data visualization and advanced analytics topics like regressions and data mining using RStudio. You will also be working on real-life projects and assignments to master Data Science. And if you are more into videos then do check out the following video tutorial which will help you in mastering in the field of Data Science: