การทำความสะอาดและนับคำ

tidy_twitter <- twitter_data %>% 
  # Tokenize the twitter data
  ___(___, ___) %>% 
  # Remove stop words
  anti_join(stop_words)

tidy_twitter %>% 
  # Filter to keep complaints only
  ___(___ == ___) %>% 
  # Compute word counts and arrange in descending order
  ___(___) %>% 
  ___(___)