How to get directly tweets based on locations without screen names or any information related to users using R

oauth
streaming
api

#1

how can I retrieve only tweets in some location without any extra information like screen name or Url or other information I used filterStream() and readTweets() functions this is just I want to getting data full anonymized for sentiment analysis I know we can get data then removing the extra staff but it is not allowed to do that for me and I found in this link they said we can obtain but it doesnt talk how to get it ?