Provides introduction to text mining with r on a Windows computer. Text analytics related topics include:
- reading txt or csv file
- cleaning of text data
- creating term document matrix
- making wordcloud and barplots.

R is a free software environment for statistical computing and graphics, and is widely used by both academia and industry. R software works on both Windows and Mac-OS. It was ranked no. 1 in a KDnuggets poll on top languages for analytics, data mining, and data science. RStudio is a user friendly environment for R that has become popular.