The TDM & DTM

Text Mining with Bag-of-Words in R

Ted Kwartler

Instructor

TDM vs. DTM

tdm:dtm.png

# Generate TDM
coffee_tdm <- TermDocumentMatrix(clean_corp)

# Generate DTM
coffee_dtm <- DocumentTermMatrix(clean_corp)

# Load qdap package
library(qdap)

# Generate word frequency matrix
coffee_wfm <- wfm(coffee_text$text)

Text Mining with Bag-of-Words in R