It is a permitted use of copyright works to copy these works specifically for the purpose of computational data analysis, e.g. sentiment analysis, text and data mining, and training machine learning.  

However, there are several conditions which you must comply with:
- You cannot share copies of the works with others, except for verifying the results of the computational data analysis or for collaborative research or study relating to the purpose of such analysis;
- You must not use copies of the works made for any other purpose; - You must have lawful access to the works to be copied; and
- The work from which copies are made must not itself be an infringing copy (unless the use of infringing copies is necessary for a prescribed analysis) or you did not know that the work is an infringing copy.