#R is software that is open source (#free) that can be accessed at the address https://www.r-project.org/. R is equipped with various packages that can be used for sophisticated statistical analysis.
#RStudio is used to make it easier to use R Rstudio installation is done after R is installed with the steps:
1. Visit the address https://www.rstudio.com
2. Click download
3. Click on the Installers for Supported Platform, Rstudio1.0.143 -Windows Vista / 7/8/10