tm, quanteda, ggplot2, parallel, glmnet, stringr, dplyr,
english, textstem, SnowballC, textclean
tm, quanteda, ggplot2, parallel, glmnet, stringr, dplyr,
english, textstem, SnowballC, stringi
tm, quanteda, parallel, glmnet, stringr, english, textstem,
SnowballC, stringi