Use Text Mining Algorithms available on this repo to mine tweets from twitter db, then dump the tweets on a Json file, then using python conversion algorithmns still available in this repo, dump them into a readable Format in CSV. Using R programming clean and analyze said data to your specific requirement, then visualize... ALWAYS Modfiy the #query_params fields for the output you want. check Twitter developer documentation for details.
Kindly, to run these codes on any IDE with python environments, first open an account with Twitter Deleveloper platform, then through that account you will have access to twitter resources through API keys and tokens that you generate from there. kindly check twitter developer documentation for details.
#Enjoy