sentiment analysis - Error when installing package 'openNLPmodels.en' in R / RStudio. Error: cannot open URL 'http://datacube.wu.ac.at/src/contrib/PACKAGES.rds' - Stack Overflow
software recommendation - How to install R Studio from a downloaded tar.gz file? - Ask Ubuntu
Unzip a tar.gz file with Untar using R/RStudio - YouTube
Unzip a tar.gz file with Untar using R/RStudio - YouTube