What are some alternatives?
When comparing SOFA Statistics and R Lang, you can also consider the following products
PSPP - PSPP is a free software application for analysis of sampled data.
GNU Octave - GNU Octave is a programming language for scientific computing.
IBM SPSS Statistics - IBM SPSS Statistics is software that provides detailed analysis of statistical data. The company behind the product practically needs no introduction, as it's been a staple of the technology industry for over 100 years.
MATLAB - A high-level language and interactive environment for numerical computation, visualization, and programming
JASP - JASP, a low fat alternative to SPSS, a delicious alternative to R.
RStudio - RStudio™ is a new integrated development environment (IDE) for R.