Install R and more tools using Homebrew, and save yourself a headache and valuable time when you need newer software versions.
Work with SPSS format and labelled data in R.
I recommend this book for those who want do to text mining easier, effective, and consistent with tools already in use.
This book is short and to the point. I recommend it to anyone interested in text mining and natural language processing.
OLS, ML and Econometric tools used to model apples production.